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980149463450 = 25219602989269
BaseRepresentation
bin11100100001101010111…
…01011110100110011010
310110200221022010200112122
432100311131132212122
5112024321230312300
62030135140341242
7130546005655433
oct16206535364632
93420838120478
10980149463450
11348751901a93
12139b620a4822
1371573862821
1435621d4a48a
151a768bc0c85
hexe43575e99a

980149463450 has 12 divisors (see below), whose sum is σ = 1823078002110. Its totient is φ = 392059785360.

The previous prime is 980149463389. The next prime is 980149463479. The reversal of 980149463450 is 54364941089.

It can be written as a sum of positive squares in 3 ways, for example, as 692625082081 + 287524381369 = 832241^2 + 536213^2 .

It is a junction number, because it is equal to n+sod(n) for n = 980149463392 and 980149463401.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9801494585 + ... + 9801494684.

Almost surely, 2980149463450 is an apocalyptic number.

980149463450 is a deficient number, since it is larger than the sum of its proper divisors (842928538660).

980149463450 is a wasteful number, since it uses less digits than its factorization.

980149463450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19602989281 (or 19602989276 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 980149463450 in words is "nine hundred eighty billion, one hundred forty-nine million, four hundred sixty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 19602989269 39205978538 98014946345 196029892690 490074731725 980149463450