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54642624645 = 35724710714783
BaseRepresentation
bin110010111000111101…
…000100100010000101
312020001010201221100210
4302320331010202011
51343402002442040
641034045030033
73643044434400
oct627075044205
9166033657323
1054642624645
11211a0378724
12a70b855319
1351ca8623bb
142905164d37
15164c257480
hexcb8f44885

54642624645 has 96 divisors (see below), whose sum is σ = 104843870208. Its totient is φ = 24217882752.

The previous prime is 54642624611. The next prime is 54642624653.

It is a happy number.

54642624645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54642624645 - 213 = 54642616453 is a prime.

It is a super-3 number, since 3×546426246453 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54642624594 and 54642624603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3688924 + ... + 3703706.

It is an arithmetic number, because the mean of its divisors is an integer number (1092123648).

Almost surely, 254642624645 is an apocalyptic number.

It is an amenable number.

54642624645 is a deficient number, since it is larger than the sum of its proper divisors (50201245563).

54642624645 is a wasteful number, since it uses less digits than its factorization.

54642624645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14959 (or 14952 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 48.

The spelling of 54642624645 in words is "fifty-four billion, six hundred forty-two million, six hundred twenty-four thousand, six hundred forty-five".

Divisors: 1 3 5 7 15 21 35 47 49 105 107 141 147 235 245 321 329 535 705 735 749 987 1605 1645 2247 2303 3745 4935 5029 5243 6909 11235 11515 14783 15087 15729 25145 26215 34545 35203 44349 73915 75435 78645 103481 105609 176015 221745 246421 310443 517405 528045 694801 724367 739263 1232105 1552215 1581781 2084403 2173101 3474005 3621835 3696315 4745343 4863607 7908905 10422015 10865505 11072467 14590821 23726715 24318035 33217401 34045249 55362335 72954105 74343707 77507269 102135747 166087005 170226245 223031121 232521807 371718535 387536345 510678735 520405949 1115155605 1162609035 1561217847 2602029745 3642841643 7806089235 10928524929 18214208215 54642624645