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6628115306420 = 22513926378711519
BaseRepresentation
bin110000001110011101001…
…1101010101011110110100
3212110122022202022011012122
41200130322131111132310
51332043340004301140
622032525241535112
71252602606345446
oct140347235253664
925418282264178
106628115306420
112125a71328883
128b06a64a4498
1339104aa7a79a
1418cb3407a496
15b762c246ab5
hex6073a7557b4

6628115306420 has 96 divisors (see below), whose sum is σ = 14091588403200. Its totient is φ = 2618604952704.

The previous prime is 6628115306413. The next prime is 6628115306431. The reversal of 6628115306420 is 246035118266.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575401421 + ... + 575412939.

It is an arithmetic number, because the mean of its divisors is an integer number (146787379200).

Almost surely, 26628115306420 is an apocalyptic number.

It is an amenable number.

6628115306420 is an abundant number, since it is smaller than the sum of its proper divisors (7463473096780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6628115306420 is a wasteful number, since it uses less digits than its factorization.

6628115306420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12717 (or 12715 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 6628115306420 in words is "six trillion, six hundred twenty-eight billion, one hundred fifteen million, three hundred six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 139 263 278 526 556 695 787 1052 1315 1390 1574 2630 2780 3148 3935 5260 7870 11519 15740 23038 36557 46076 57595 73114 109393 115190 146228 182785 206981 218786 230380 365570 413962 437572 546965 731140 827924 1034905 1093930 1601141 2069810 2187860 3029497 3202282 4139620 6058994 6404564 8005705 9065453 12117988 15147485 16011410 18130906 28770359 30294970 32022820 36261812 45327265 57540718 60589940 90654530 115081436 143851795 181309060 287703590 421100083 575407180 842200166 1260097967 1684400332 2105500415 2384214139 2520195934 4211000830 4768428278 5040391868 6300489835 8422001660 9536856556 11921070695 12600979670 23842141390 25201959340 47684282780 331405765321 662811530642 1325623061284 1657028826605 3314057653210 6628115306420