Search a number
-
+
57081074355 = 335795352187
BaseRepresentation
bin110101001010010011…
…000001001010110011
312110100002010000112000
4311022103001022303
51413400223334410
642120033305043
74060344061254
oct651223011263
9173302100460
1057081074355
1122231862018
12b090405183
1354c8ac1056
142a96d52b2b
151741375dc0
hexd4a4c12b3

57081074355 has 32 divisors (see below), whose sum is σ = 102762009600. Its totient is φ = 30057876576.

The previous prime is 57081074299. The next prime is 57081074377. The reversal of 57081074355 is 55347018075.

It is a happy number.

57081074355 is a `hidden beast` number, since 570 + 8 + 1 + 0 + 74 + 3 + 5 + 5 = 666.

It is not a de Polignac number, because 57081074355 - 26 = 57081074291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 57081074355.

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, 2665429 + ... + 2686758.

It is an arithmetic number, because the mean of its divisors is an integer number (3211312800).

Almost surely, 257081074355 is an apocalyptic number.

57081074355 is a deficient number, since it is larger than the sum of its proper divisors (45680935245).

57081074355 is a wasteful number, since it uses less digits than its factorization.

57081074355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352280 (or 5352274 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 57081074355 in words is "fifty-seven billion, eighty-one million, seventy-four thousand, three hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 79 135 237 395 711 1185 2133 3555 10665 5352187 16056561 26760935 48169683 80282805 144509049 240848415 422822773 722545245 1268468319 2114113865 3805404957 6342341595 11416214871 19027024785 57081074355