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20292110464 = 27158532113
BaseRepresentation
bin10010111001100000…
…010000100010000000
31221101012012000110211
4102321200100202000
5313024240013324
613153322203504
71315600043623
oct227140204200
957335160424
1020292110464
118673404a2a
123b23953594
131bb5072672
14da7003dba
157db71c294
hex4b9810880

20292110464 has 16 divisors (see below), whose sum is σ = 40425689070. Its totient is φ = 10146055168.

The previous prime is 20292110411. The next prime is 20292110471. The reversal of 20292110464 is 46401129202.

It can be written as a sum of positive squares in only one way, i.e., 12098240064 + 8193870400 = 109992^2 + 90520^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79265929 + ... + 79266184.

Almost surely, 220292110464 is an apocalyptic number.

It is an amenable number.

20292110464 is a deficient number, since it is larger than the sum of its proper divisors (20133578606).

20292110464 is an equidigital number, since it uses as much as digits as its factorization.

20292110464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158532127 (or 158532115 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 20292110464 its reverse (46401129202), we get a palindrome (66693239666).

The spelling of 20292110464 in words is "twenty billion, two hundred ninety-two million, one hundred ten thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 158532113 317064226 634128452 1268256904 2536513808 5073027616 10146055232 20292110464