Search a number
-
+
257010311376 = 243271326937283
BaseRepresentation
bin1110111101011100000…
…0100010000011010000
3220120101111020120110100
43233113000202003100
513202324114431001
6314022514532400
724365645413230
oct3572700420320
9816344216410
10257010311376
1199aa7690a15
1241988297100
131b30b565330
14c621893cc0
156a434bd586
hex3bd70220d0

257010311376 has 240 divisors, whose sum is σ = 885708061056. Its totient is φ = 67748465664.

The previous prime is 257010311357. The next prime is 257010311413. The reversal of 257010311376 is 673113010752.

257010311376 is a `hidden beast` number, since 2 + 570 + 1 + 0 + 3 + 1 + 13 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 257010311376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35285431 + ... + 35292713.

Almost surely, 2257010311376 is an apocalyptic number.

257010311376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 257010311376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442854030528).

257010311376 is an abundant number, since it is smaller than the sum of its proper divisors (628697749680).

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

257010311376 is a wasteful number, since it uses less digits than its factorization.

257010311376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010 (or 10001 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 257010311376 in words is "two hundred fifty-seven billion, ten million, three hundred eleven thousand, three hundred seventy-six".