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29955205519808 = 263779715872023
BaseRepresentation
bin1101100111110011111010…
…11000100101100111000000
310221001200121202222101121012
412303321331120211213000
512411241230103113213
6143413121554020052
76211122626525102
oct663717530454700
9127050552871535
1029955205519808
1195a9a27649098
123439629877628
1313939c0c9897a
14757ba8139572
1536e30c4354a8
hex1b3e7d6259c0

29955205519808 has 56 divisors (see below), whose sum is σ = 61125513483552. Its totient is φ = 14554517197824.

The previous prime is 29955205519807. The next prime is 29955205519891. The reversal of 29955205519808 is 80891550255992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29955205519807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6048716 + ... + 9823307.

It is an arithmetic number, because the mean of its divisors is an integer number (1091527026492).

Almost surely, 229955205519808 is an apocalyptic number.

It is an amenable number.

29955205519808 is an abundant number, since it is smaller than the sum of its proper divisors (31170307963744).

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

29955205519808 is a wasteful number, since it uses less digits than its factorization.

29955205519808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872869 (or 15872859 counting only the distinct ones).

The product of its (nonzero) digits is 116640000, while the sum is 68.

The spelling of 29955205519808 in words is "twenty-nine trillion, nine hundred fifty-five billion, two hundred five million, five hundred nineteen thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 37 64 74 148 296 592 797 1184 1594 2368 3188 6376 12752 25504 29489 51008 58978 117956 235912 471824 943648 1887296 15872023 31744046 63488092 126976184 253952368 507904736 587264851 1015809472 1174529702 2349059404 4698118808 9396237616 12650002331 18792475232 25300004662 37584950464 50600009324 101200018648 202400037296 404800074592 468050086247 809600149184 936100172494 1872200344988 3744400689976 7488801379952 14977602759904 29955205519808