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31448572030 = 2510932877271
BaseRepresentation
bin11101010010011110…
…110010000001111110
310000011201000222122001
4131102132302001332
51003401313301110
622240340012514
72162216310631
oct352236620176
9100151028561
1031448572030
11123789986a7
12611809113a
132c7251c005
1417449a1c18
15c40db563a
hex7527b207e

31448572030 has 16 divisors (see below), whose sum is σ = 56659240224. Its totient is φ = 12567915360.

The previous prime is 31448572013. The next prime is 31448572049. The reversal of 31448572030 is 3027584413.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427706 + ... + 1449565.

It is an arithmetic number, because the mean of its divisors is an integer number (3541202514).

Almost surely, 231448572030 is an apocalyptic number.

31448572030 is a deficient number, since it is larger than the sum of its proper divisors (25210668194).

31448572030 is a wasteful number, since it uses less digits than its factorization.

31448572030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878371.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 31448572030 in words is "thirty-one billion, four hundred forty-eight million, five hundred seventy-two thousand, thirty".

Divisors: 1 2 5 10 1093 2186 5465 10930 2877271 5754542 14386355 28772710 3144857203 6289714406 15724286015 31448572030