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53377227990 = 23351531129127
BaseRepresentation
bin110001101101100001…
…111101110011010110
312002202221200010111000
4301231201331303112
51333304032243430
640304323124130
73566510644332
oct615541756326
9162687603430
1053377227990
1120701065469
12a417b13646
135058651798
1428250907c2
1515c60eee60
hexc6d87dcd6

53377227990 has 64 divisors (see below), whose sum is σ = 142433349120. Its totient is φ = 14224520160.

The previous prime is 53377227983. The next prime is 53377228019. The reversal of 53377227990 is 9972277335.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348807 + ... + 477933.

It is an arithmetic number, because the mean of its divisors is an integer number (2225521080).

Almost surely, 253377227990 is an apocalyptic number.

53377227990 is an abundant number, since it is smaller than the sum of its proper divisors (89056121130).

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

53377227990 is a wasteful number, since it uses less digits than its factorization.

53377227990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130674 (or 130668 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 54.

It can be divided in two parts, 5337 and 7227990, that added together give a palindrome (7233327).

The spelling of 53377227990 in words is "fifty-three billion, three hundred seventy-seven million, two hundred twenty-seven thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1531 3062 4593 7655 9186 13779 15310 22965 27558 41337 45930 68895 82674 129127 137790 206685 258254 387381 413370 645635 774762 1162143 1291270 1936905 2324286 3486429 3873810 5810715 6972858 11621430 17432145 34864290 197693437 395386874 593080311 988467185 1186160622 1779240933 1976934370 2965401555 3558481866 5337722799 5930803110 8896204665 10675445598 17792409330 26688613995 53377227990