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53131552100 = 22521169176983
BaseRepresentation
bin110001011110111000…
…110010010101100100
312002010211101111111222
4301132320302111210
51332303134131400
640224105315512
73560435512154
oct613670622544
9162124344458
1053131552100
1120595415540
12a369795b98
135019794333
1428005bc764
1515ae772185
hexc5ee32564

53131552100 has 72 divisors (see below), whose sum is σ = 125813072448. Its totient is φ = 19315004800.

The previous prime is 53131552093. The next prime is 53131552121. The reversal of 53131552100 is 125513135.

It is a happy number.

53131552100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53131552100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7605209 + ... + 7612191.

It is an arithmetic number, because the mean of its divisors is an integer number (1747403784).

Almost surely, 253131552100 is an apocalyptic number.

53131552100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53131552100 is an abundant number, since it is smaller than the sum of its proper divisors (72681520348).

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

53131552100 is a wasteful number, since it uses less digits than its factorization.

53131552100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13925 (or 13918 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The spelling of 53131552100 in words is "fifty-three billion, one hundred thirty-one million, five hundred fifty-two thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 6917 6983 13834 13966 27668 27932 34585 34915 69170 69830 76087 76813 138340 139660 152174 153626 172925 174575 304348 307252 345850 349150 380435 384065 691700 698300 760870 768130 1521740 1536260 1902175 1920325 3804350 3840650 7608700 7681300 48301411 96602822 193205644 241507055 483014110 531315521 966028220 1062631042 1207535275 2125262084 2415070550 2656577605 4830141100 5313155210 10626310420 13282888025 26565776050 53131552100