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77652574016357 = 53264921425813
BaseRepresentation
bin10001101001111111100110…
…000101110001001101100101
3101011221111212101201112221002
4101221333212011301031211
540134224432422010412
6433053033335003045
722233133113355004
oct2151774605611545
9334844771645832
1077652574016357
11228192a96a765a
128861709b09485
1334437b60a5642
14152659446cc3b
158e9dc58a3dc2
hex469fe6171365

77652574016357 has 12 divisors (see below), whose sum is σ = 79146766102404. Its totient is φ = 76186078650240.

The previous prime is 77652574016327. The next prime is 77652574016377. The reversal of 77652574016357 is 75361047525677.

It can be written as a sum of positive squares in 6 ways, for example, as 827506786276 + 76825067230081 = 909674^2 + 8764991^2 .

It is not a de Polignac number, because 77652574016357 - 218 = 77652573754213 is a prime.

It is a super-2 number, since 2×776525740163572 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77652574016293 and 77652574016302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77652574016327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182150183 + ... + 182575995.

It is an arithmetic number, because the mean of its divisors is an integer number (6595563841867).

Almost surely, 277652574016357 is an apocalyptic number.

It is an amenable number.

77652574016357 is a deficient number, since it is larger than the sum of its proper divisors (1494192086047).

77652574016357 is an equidigital number, since it uses as much as digits as its factorization.

77652574016357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490840 (or 490787 counting only the distinct ones).

The product of its (nonzero) digits is 259308000, while the sum is 65.

The spelling of 77652574016357 in words is "seventy-seven trillion, six hundred fifty-two billion, five hundred seventy-four million, sixteen thousand, three hundred fifty-seven".

Divisors: 1 53 2809 64921 425813 3440813 22568089 182363089 1196108717 27644205773 1465142905969 77652574016357