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221302202032030 = 25717236971263213
BaseRepresentation
bin110010010100010111101111…
…001000111101111110011110
31002000120021122221221211112011
4302110113233020331332132
5213001303402210011110
62102400454512301434
764420361604102430
oct6224275710757636
91060507587854464
10221302202032030
116457181178a859
12209a1a2384187a
139663928930582
143c91125a76650
151a8b8a131948a
hexc945ef23df9e

221302202032030 has 64 divisors (see below), whose sum is σ = 455581538754048. Its totient is φ = 75819837985920.

The previous prime is 221302202032027. The next prime is 221302202032039. The reversal of 221302202032030 is 30230202203122.

It is a super-2 number, since 2×2213022020320302 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221302202031992 and 221302202032010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221302202032039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840640704 + ... + 840903916.

It is an arithmetic number, because the mean of its divisors is an integer number (7118461543032).

Almost surely, 2221302202032030 is an apocalyptic number.

221302202032030 is an abundant number, since it is smaller than the sum of its proper divisors (234279336722018).

221302202032030 is a wasteful number, since it uses less digits than its factorization.

221302202032030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271921.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 221302202032030 its reverse (30230202203122), we get a palindrome (251532404235152).

The spelling of 221302202032030 in words is "two hundred twenty-one trillion, three hundred two billion, two hundred two million, thirty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 1723 3446 6971 8615 12061 13942 17230 24122 34855 48797 60305 69710 97594 120610 243985 263213 487970 526426 1316065 1842491 2632130 3684982 9212455 12011033 18424910 24022066 60055165 84077231 120110330 168154462 420386155 453515999 840772310 907031998 1834857823 2267579995 3174611993 3669715646 4535159990 6349223986 9174289115 12844004761 15873059965 18348578230 25688009522 31746119930 64220023805 128440047610 3161460029029 6322920058058 15807300145145 22130220203203 31614600290290 44260440406406 110651101016015 221302202032030