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30302799994 = 215151399997
BaseRepresentation
bin11100001110001100…
…000000100001111010
32220012212001201212201
4130032030000201322
5444030004044434
621530530100414
72121634356445
oct341614004172
986185051781
1030302799994
1111940160165
125a5841a70a
132b1c0334ac
14167674a65c
15bc54dc614
hex70e30087a

30302799994 has 4 divisors (see below), whose sum is σ = 45454199994. Its totient is φ = 15151399996.

The previous prime is 30302799937. The next prime is 30302800001. The reversal of 30302799994 is 49999720303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49999720303 = 133846132331.

It can be written as a sum of positive squares in only one way, i.e., 19828300969 + 10474499025 = 140813^2 + 102345^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575699997 + ... + 7575700000.

Almost surely, 230302799994 is an apocalyptic number.

30302799994 is a deficient number, since it is larger than the sum of its proper divisors (15151400000).

30302799994 is a wasteful number, since it uses less digits than its factorization.

30302799994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15151399999.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 30302799994 in words is "thirty billion, three hundred two million, seven hundred ninety-nine thousand, nine hundred ninety-four".

Divisors: 1 2 15151399997 30302799994