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39752976512 = 27176232
BaseRepresentation
bin100101000001011101…
…100100100010000000
310210121110020102222102
4211001131210202000
51122403230222022
630132352125532
72605054503464
oct450135444200
9123543212872
1039752976512
111594a5786a7
1278552368a8
133996b42912
141cd18684a4
151079e8ea92
hex941764880

39752976512 has 24 divisors (see below), whose sum is σ = 79199877015. Its totient is φ = 19875360384.

The previous prime is 39752976503. The next prime is 39752976521. The reversal of 39752976512 is 21567925793.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (39752976503) and next prime (39752976521).

It can be written as a sum of positive squares in only one way, i.e., 19876488256 + 19876488256 = 140984^2 + 140984^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=140984.

It is a super-2 number, since 2×397529765122 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2246933 + ... + 2264555.

Almost surely, 239752976512 is an apocalyptic number.

39752976512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39752976512 is a deficient number, since it is larger than the sum of its proper divisors (39446900503).

39752976512 is an frugal number, since it uses more digits than its factorization.

39752976512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35260 (or 17625 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 56.

The spelling of 39752976512 in words is "thirty-nine billion, seven hundred fifty-two million, nine hundred seventy-six thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 17623 35246 70492 140984 281968 563936 1127872 2255744 310570129 621140258 1242280516 2484561032 4969122064 9938244128 19876488256 39752976512