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53157952690 = 2547198756921
BaseRepresentation
bin110001100000011101…
…011111110010110010
312002012200001210022121
4301200131133302302
51332331413441230
640230451224454
73561206066623
oct614035376262
9162180053277
1053157952690
11205a9307707
12a3765a812a
1350220a8b9b
142803cd1a4a
1515b1c3977a
hexc6075fcb2

53157952690 has 32 divisors (see below), whose sum is σ = 97771048704. Its totient is φ = 20799934080.

The previous prime is 53157952637. The next prime is 53157952747. The reversal of 53157952690 is 9625975135.

It is a super-2 number, since 2×531579526902 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905430 + ... + 962350.

It is an arithmetic number, because the mean of its divisors is an integer number (3055345272).

Almost surely, 253157952690 is an apocalyptic number.

53157952690 is a deficient number, since it is larger than the sum of its proper divisors (44613096014).

53157952690 is a wasteful number, since it uses less digits than its factorization.

53157952690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58962.

The product of its (nonzero) digits is 2551500, while the sum is 52.

The spelling of 53157952690 in words is "fifty-three billion, one hundred fifty-seven million, nine hundred fifty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 47 94 235 470 1987 3974 9935 19870 56921 93389 113842 186778 284605 466945 569210 933890 2675287 5350574 13376435 26752870 113102027 226204054 565510135 1131020270 5315795269 10631590538 26578976345 53157952690