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42738009495 = 3511897239489
BaseRepresentation
bin100111110011011000…
…100100010110010111
311002022111002211102120
4213303120210112113
51200011412300440
631344503511023
73042042041526
oct476330442627
9132274084376
1042738009495
1117141546105
128348a58473
1340513b681c
1420d60964bd
1511a2078dd0
hex9f3624597

42738009495 has 16 divisors (see below), whose sum is σ = 68386848480. Its totient is φ = 22791593984.

The previous prime is 42738009481. The next prime is 42738009529. The reversal of 42738009495 is 59490083724.

It is a cyclic number.

It is not a de Polignac number, because 42738009495 - 25 = 42738009463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58711 + ... + 298199.

It is an arithmetic number, because the mean of its divisors is an integer number (4274178030).

Almost surely, 242738009495 is an apocalyptic number.

42738009495 is a deficient number, since it is larger than the sum of its proper divisors (25648838985).

42738009495 is a wasteful number, since it uses less digits than its factorization.

42738009495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251394.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 42738009495 in words is "forty-two billion, seven hundred thirty-eight million, nine thousand, four hundred ninety-five".

Divisors: 1 3 5 15 11897 35691 59485 178455 239489 718467 1197445 3592335 2849200633 8547601899 14246003165 42738009495