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29687634601 = 43240072
BaseRepresentation
bin11011101001100001…
…010101101010101001
32211121222112002121021
4123221201111222221
5441300013301401
621345513012441
72100454505362
oct335141255251
984558462537
1029687634601
1111654994309
1259063b4121
132a51757bc1
141618b76b69
15b8b4c62a1
hex6e9855aa9

29687634601 has 9 divisors (see below), whose sum is σ = 30401687901. Its totient is φ = 28989987852.

The previous prime is 29687634593. The next prime is 29687634607. The reversal of 29687634601 is 10643678692.

The square root of 29687634601 is 172301.

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

It is not a de Polignac number, because 29687634601 - 23 = 29687634593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29687634607) 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, 7406940 + ... + 7410946.

Almost surely, 229687634601 is an apocalyptic number.

29687634601 is the 172301-st square number.

29687634601 is the 86151-st centered octagonal number.

It is an amenable number.

29687634601 is a deficient number, since it is larger than the sum of its proper divisors (714053300).

29687634601 is an frugal number, since it uses more digits than its factorization.

29687634601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100 (or 4050 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 29687634601 in words is "twenty-nine billion, six hundred eighty-seven million, six hundred thirty-four thousand, six hundred one".

Divisors: 1 43 1849 4007 172301 7408943 16056049 690410107 29687634601