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29405903043841 = 1932280972
BaseRepresentation
bin1101010111110100110000…
…11001111011110100000001
310212010011202221110101211021
412223322120121323310001
512323241242134400331
6142312515123345441
76123335455522432
oct653723031736401
9125104687411737
1029405903043841
119407a78726795
12336b089522281
131353c707615bc
147393790b7489
1535edad2e1211
hex1abe9867bd01

29405903043841 has 9 divisors (see below), whose sum is σ = 29560106750601. Its totient is φ = 29252499689472.

The previous prime is 29405903043823. The next prime is 29405903043859. The reversal of 29405903043841 is 14834030950492.

The square root of 29405903043841 is 5422721.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (29405903043823) and next prime (29405903043859).

It can be written as a sum of positive squares in 4 ways, for example, as 21192405597441 + 8213497446400 = 4603521^2 + 2865920^2 .

It is not a de Polignac number, because 29405903043841 - 217 = 29405902912769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29405903043641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1046571105 + ... + 1046599201.

Almost surely, 229405903043841 is an apocalyptic number.

29405903043841 is the 5422721-st square number.

29405903043841 is the 2711361-st centered octagonal number.

It is an amenable number.

29405903043841 is a deficient number, since it is larger than the sum of its proper divisors (154203706760).

29405903043841 is an frugal number, since it uses more digits than its factorization.

29405903043841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56580 (or 28290 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 29405903043841 in words is "twenty-nine trillion, four hundred five billion, nine hundred three million, forty-three thousand, eight hundred forty-one".

Divisors: 1 193 28097 37249 5422721 789441409 1046585153 152362191937 29405903043841