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57270691401 = 3711247925071
BaseRepresentation
bin110101010101100110…
…010110011001001001
312110211021220120012120
4311111212112121021
51414242244111101
642150525401453
74065135562530
oct652546263111
9173737816176
1057270691401
11223198a3120
12b123a09289
1355291813a1
142ab41d1317
151752d2db36
hexd55996649

57270691401 has 16 divisors (see below), whose sum is σ = 95203227648. Its totient is φ = 29751008400.

The previous prime is 57270691369. The next prime is 57270691409. The reversal of 57270691401 is 10419607275.

It is a happy number.

57270691401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57270691401 - 25 = 57270691369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57270691409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123962305 + ... + 123962766.

It is an arithmetic number, because the mean of its divisors is an integer number (5950201728).

Almost surely, 257270691401 is an apocalyptic number.

It is an amenable number.

57270691401 is a deficient number, since it is larger than the sum of its proper divisors (37932536247).

57270691401 is a wasteful number, since it uses less digits than its factorization.

57270691401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247925092.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 57270691401 in words is "fifty-seven billion, two hundred seventy million, six hundred ninety-one thousand, four hundred one".

Divisors: 1 3 7 11 21 33 77 231 247925071 743775213 1735475497 2727175781 5206426491 8181527343 19090230467 57270691401