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13274403870 = 23571313673557
BaseRepresentation
bin11000101110011011…
…10101010000011110
31021021010010120210210
430113031311100132
5204141221410440
610033112313250
7646644366630
oct142715652036
937233116723
1013274403870
1156a2067112
1226a56a2826
1313371aa160
148dcd98a50
1552a5a6a80
hex31737541e

13274403870 has 128 divisors (see below), whose sum is σ = 39250262016. Its totient is φ = 2797917696.

The previous prime is 13274403869. The next prime is 13274403907. The reversal of 13274403870 is 7830447231.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3730132 + ... + 3733688.

It is an arithmetic number, because the mean of its divisors is an integer number (306642672).

Almost surely, 213274403870 is an apocalyptic number.

13274403870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13274403870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19625131008).

13274403870 is an abundant number, since it is smaller than the sum of its proper divisors (25975858146).

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

13274403870 is a wasteful number, since it uses less digits than its factorization.

13274403870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 13274403870 in words is "thirteen billion, two hundred seventy-four million, four hundred three thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 1367 2730 2734 3557 4101 6835 7114 8202 9569 10671 13670 17771 17785 19138 20505 21342 24899 28707 35542 35570 41010 46241 47845 49798 53313 53355 57414 74697 88855 92482 95690 106626 106710 124397 124495 138723 143535 149394 177710 231205 248794 248990 266565 277446 287070 323687 373191 373485 462410 533130 621985 647374 693615 746382 746970 971061 1243970 1387230 1618435 1865955 1942122 3236870 3731910 4855305 4862419 9710610 9724838 14587257 24312095 29174514 34036933 48624190 63211447 68073866 72936285 102110799 126422894 145872570 170184665 189634341 204221598 316057235 340369330 379268682 442480129 510553995 632114470 884960258 948171705 1021107990 1327440387 1896343410 2212400645 2654880774 4424801290 6637201935 13274403870