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380994680658420 = 22345803929255119
BaseRepresentation
bin101011010100000110011110…
…0100110100001100111110100
31211221222201212100221111010000
41112220030330212201213310
5344414204101222032140
63430150312351231300
7143151646233655113
oct12650147446414764
91757881770844100
10380994680658420
1110043aa337a2494
12368933a3818530
131347884b49366a
146a123531a5c7a
152e0a82ca27a30
hex15a833c9a19f4

380994680658420 has 120 divisors (see below), whose sum is σ = 1195343139513600. Its totient is φ = 101585939825088.

The previous prime is 380994680658353. The next prime is 380994680658437. The reversal of 380994680658420 is 24856086499083.

It is a happy number.

380994680658420 is a `hidden beast` number, since 3 + 8 + 0 + 9 + 9 + 468 + 0 + 65 + 84 + 20 = 666.

It is a super-2 number, since 2×3809946806584202 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1604380 + ... + 27650739.

It is an arithmetic number, because the mean of its divisors is an integer number (9961192829280).

Almost surely, 2380994680658420 is an apocalyptic number.

380994680658420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380994680658420 is an abundant number, since it is smaller than the sum of its proper divisors (814348458855180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380994680658420 is a wasteful number, since it uses less digits than its factorization.

380994680658420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29263179 (or 29263168 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 72.

The spelling of 380994680658420 in words is "three hundred eighty trillion, nine hundred ninety-four billion, six hundred eighty million, six hundred fifty-eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 8039 16078 24117 32156 40195 48234 72351 80390 96468 120585 144702 160780 217053 241170 289404 361755 434106 482340 651159 723510 868212 1085265 1302318 1447020 2170530 2604636 3255795 4341060 6511590 13023180 29255119 58510238 87765357 117020476 146275595 175530714 263296071 292551190 351061428 438826785 526592142 585102380 789888213 877653570 1053184284 1316480355 1579776426 1755307140 2369664639 2632960710 3159552852 3949441065 4739329278 5265921420 7898882130 9478658556 11848323195 15797764260 23696646390 47393292780 235181901641 470363803282 705545704923 940727606564 1175909508205 1411091409846 2116637114769 2351819016410 2822182819692 3527728524615 4233274229538 4703638032820 6349911344307 7055457049230 8466548459076 10583185573845 12699822688614 14110914098460 19049734032921 21166371147690 25399645377228 31749556721535 38099468065842 42332742295380 63499113443070 76198936131684 95248670164605 126998226886140 190497340329210 380994680658420