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8490915997498 = 2111971959140747
BaseRepresentation
bin111101110001111001000…
…0010000010011100111010
31010001201112112102222022201
41323203302002002130322
52103103343443404443
630020401205340414
71534306546101364
oct173436202023472
933051475388281
108490915997498
112783a827a5150
12b5171a70770a
134978c7a5c80c
14214d69261d34
15ead0532734d
hex7b8f208273a

8490915997498 has 16 divisors (see below), whose sum is σ = 13964755251744. Its totient is φ = 3839915862160.

The previous prime is 8490915997489. The next prime is 8490915997537. The reversal of 8490915997498 is 8947995190948.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979566040 + ... + 979574707.

It is an arithmetic number, because the mean of its divisors is an integer number (872797203234).

Almost surely, 28490915997498 is an apocalyptic number.

8490915997498 is a deficient number, since it is larger than the sum of its proper divisors (5473839254246).

8490915997498 is a wasteful number, since it uses less digits than its factorization.

8490915997498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959140957.

The product of its (nonzero) digits is 2116316160, while the sum is 82.

The spelling of 8490915997498 in words is "eight trillion, four hundred ninety billion, nine hundred fifteen million, nine hundred ninety-seven thousand, four hundred ninety-eight".

Divisors: 1 2 11 22 197 394 2167 4334 1959140747 3918281494 21550548217 43101096434 385950727159 771901454318 4245457998749 8490915997498