Search a number
-
+
57898106970 = 23511312792311
BaseRepresentation
bin110101111010111111…
…110000000001011010
312112110000111120120020
4311322333300001122
51422033403410340
642333101211310
74116524534454
oct657277600132
9175400446506
1057898106970
1122610a76790
12b279b60b36
1355c91587c2
142b336732d4
15178ce649d0
hexd7aff005a

57898106970 has 192 divisors, whose sum is σ = 158686801920. Its totient is φ = 13405392000.

The previous prime is 57898106957. The next prime is 57898107013. The reversal of 57898106970 is 7960189875.

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, 25052115 + ... + 25054425.

It is an arithmetic number, because the mean of its divisors is an integer number (826493760).

Almost surely, 257898106970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57898106970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79343400960).

57898106970 is an abundant number, since it is smaller than the sum of its proper divisors (100788694950).

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

57898106970 is a wasteful number, since it uses less digits than its factorization.

57898106970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 60.

The spelling of 57898106970 in words is "fifty-seven billion, eight hundred ninety-eight million, one hundred six thousand, nine hundred seventy".