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1402129057 = 7720727793
BaseRepresentation
bin101001110010010…
…1100101010100001
310121201100112110211
41103210230222201
510332421112212
6351044254121
746513620550
oct12344545241
93551315424
101402129057
1165a51334a
123316a1341
13194645884
14d4307d97
15831659a7
hex5392caa1

1402129057 has 8 divisors (see below), whose sum is σ = 1602713216. Its totient is φ = 1201614912.

The previous prime is 1402129037. The next prime is 1402129063. The reversal of 1402129057 is 7509212041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402129057 - 211 = 1402127009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402129037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36553 + ... + 64345.

It is an arithmetic number, because the mean of its divisors is an integer number (200339152).

Almost surely, 21402129057 is an apocalyptic number.

It is an amenable number.

1402129057 is a deficient number, since it is larger than the sum of its proper divisors (200584159).

1402129057 is an equidigital number, since it uses as much as digits as its factorization.

1402129057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35007.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1402129057 is about 37445.0137802084. The cubic root of 1402129057 is about 1119.2557387928.

The spelling of 1402129057 in words is "one billion, four hundred two million, one hundred twenty-nine thousand, fifty-seven".

Divisors: 1 7 7207 27793 50449 194551 200304151 1402129057