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31446016030 = 25112131999111
BaseRepresentation
bin11101010010010101…
…000010000000011110
310000011112020010110101
4131102111002000132
51003400140003110
622240205131314
72162155504012
oct352225020036
9100145203411
1031446016030
1112377502300
126117259b3a
132c71b357a0
1417444d8542
15c40a5d13a
hex75254201e

31446016030 has 48 divisors (see below), whose sum is σ = 67002237792. Its totient is φ = 10555300800.

The previous prime is 31446016027. The next prime is 31446016031. The reversal of 31446016030 is 3061064413.

It is a self number, because there is not a number n which added to its sum of digits gives 31446016030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31446016031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983826 + ... + 1015285.

It is an arithmetic number, because the mean of its divisors is an integer number (1395879954).

Almost surely, 231446016030 is an apocalyptic number.

31446016030 is an abundant number, since it is smaller than the sum of its proper divisors (35556221762).

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

31446016030 is a wasteful number, since it uses less digits than its factorization.

31446016030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999153 (or 1999142 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 31446016030 in words is "thirty-one billion, four hundred forty-six million, sixteen thousand, thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 121 130 143 242 286 605 715 1210 1430 1573 3146 7865 15730 1999111 3998222 9995555 19991110 21990221 25988443 43980442 51976886 109951105 129942215 219902210 241892431 259884430 285872873 483784862 571745746 1209462155 1429364365 2418924310 2858728730 3144601603 6289203206 15723008015 31446016030