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316104742480 = 2453951309281
BaseRepresentation
bin1001001100110010100…
…11111001011001010000
31010012220212211201012211
410212121103321121100
520134340303224410
6401114433401504
731560240656332
oct4463123713120
91105825751184
10316104742480
1111207198272a
125131aa09294
1323a684c9127
1411429d7b452
15835149468a
hex49994f9650

316104742480 has 20 divisors (see below), whose sum is σ = 734943526452. Its totient is φ = 126441896960.

The previous prime is 316104742469. The next prime is 316104742507. The reversal of 316104742480 is 84247401613.

It can be written as a sum of positive squares in 2 ways, for example, as 138604311616 + 177500430864 = 372296^2 + 421308^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975654561 + ... + 1975654720.

Almost surely, 2316104742480 is an apocalyptic number.

It is an amenable number.

316104742480 is an abundant number, since it is smaller than the sum of its proper divisors (418838783972).

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

316104742480 is a wasteful number, since it uses less digits than its factorization.

316104742480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951309294 (or 3951309288 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 316104742480 in words is "three hundred sixteen billion, one hundred four million, seven hundred forty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3951309281 7902618562 15805237124 19756546405 31610474248 39513092810 63220948496 79026185620 158052371240 316104742480