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2989401785724 = 2231032671790527
BaseRepresentation
bin101011100000000110001…
…110110100010101111100
3101120210011112212012121110
4223200012032310111330
5342434243324120344
610205151235002020
7425656106631144
oct53400616642574
911523145765543
102989401785724
11a52886413502
12403448739310
13188b8cc208b3
14a498b533924
1552b640bc3b9
hex2b8063b457c

2989401785724 has 48 divisors (see below), whose sum is σ = 7043333326848. Its totient is φ = 986744987328.

The previous prime is 2989401785719. The next prime is 2989401785731. The reversal of 2989401785724 is 4275871049892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32976949 + ... + 33067475.

It is an arithmetic number, because the mean of its divisors is an integer number (146736110976).

Almost surely, 22989401785724 is an apocalyptic number.

It is an amenable number.

2989401785724 is an abundant number, since it is smaller than the sum of its proper divisors (4053931541124).

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

2989401785724 is a wasteful number, since it uses less digits than its factorization.

2989401785724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117354 (or 117352 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 66.

The spelling of 2989401785724 in words is "two trillion, nine hundred eighty-nine billion, four hundred one million, seven hundred eighty-five thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 26717 53434 80151 90527 106868 160302 181054 271581 320604 362108 543162 1086324 2751851 5503702 8255553 9324281 11007404 16511106 18648562 27972843 33022212 37297124 55945686 111891372 2418609859 4837219718 7255829577 9674439436 14511659154 29023318308 249116815477 498233630954 747350446431 996467261908 1494700892862 2989401785724