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38470894887424 = 2975138466577
BaseRepresentation
bin10001011111101001101000…
…00001100010001000000000
312001012210002210212221222111
420233310310001202020000
520020301343042344144
6213453141330545104
711050300432042366
oct1057646401421000
9161183083787874
1038470894887424
111129246225893a
124393b00a38194
131860a3631266c
149700035cd636
1546aab25b5534
hex22fd34062200

38470894887424 has 20 divisors (see below), whose sum is σ = 76866651309294. Its totient is φ = 19235447443456.

The previous prime is 38470894887407. The next prime is 38470894887539. The reversal of 38470894887424 is 42478849807483.

It can be written as a sum of positive squares in only one way, i.e., 28744181049600 + 9726713837824 = 5361360^2 + 3118768^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37569232777 + ... + 37569233800.

Almost surely, 238470894887424 is an apocalyptic number.

It is an amenable number.

38470894887424 is a deficient number, since it is larger than the sum of its proper divisors (38395756421870).

38470894887424 is an frugal number, since it uses more digits than its factorization.

38470894887424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75138466595 (or 75138466579 counting only the distinct ones).

The product of its (nonzero) digits is 2774532096, while the sum is 76.

The spelling of 38470894887424 in words is "thirty-eight trillion, four hundred seventy billion, eight hundred ninety-four million, eight hundred eighty-seven thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 75138466577 150276933154 300553866308 601107732616 1202215465232 2404430930464 4808861860928 9617723721856 19235447443712 38470894887424