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928124145664 = 212150532
BaseRepresentation
bin11011000000110001000…
…00101001000000000000
310021201122120022201012221
431200120200221000000
5110201244240130124
61550212505300424
7124024532033212
oct15403040510000
93251576281187
10928124145664
1132868497a791
1212ba62a94714
13696a2322a11
1432cc86505b2
1519221616ce4
hexd818829000

928124145664 has 39 divisors (see below), whose sum is σ = 1856145005833. Its totient is φ = 464031244288.

The previous prime is 928124145593. The next prime is 928124145667. The reversal of 928124145664 is 466541421829.

The square root of 928124145664 is 963392.

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

It can be written as a sum of positive squares in only one way, i.e., 886911897600 + 41212248064 = 941760^2 + 203008^2 .

It is a super-2 number, since 2×9281241456642 (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (928124145667) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 61649562 + ... + 61664614.

Almost surely, 2928124145664 is an apocalyptic number.

928124145664 is the 963392-nd square number.

It is an amenable number.

928124145664 is a deficient number, since it is larger than the sum of its proper divisors (928020860169).

928124145664 is an frugal number, since it uses more digits than its factorization.

928124145664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30130 (or 15055 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 928124145664 in words is "nine hundred twenty-eight billion, one hundred twenty-four million, one hundred forty-five thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 15053 30106 60212 120424 240848 481696 963392 1926784 3853568 7707136 15414272 30828544 61657088 226592809 453185618 906371236 1812742472 3625484944 7250969888 14501939776 29003879552 58007759104 116015518208 232031036416 464062072832 928124145664