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38209977804442 = 221862387387827
BaseRepresentation
bin10001011000000011101000…
…01001110110011010011010
312000021211122001100211101111
420230001310021312122122
520002013013304220232
6213133231012210534
711022402604322353
oct1054016411663232
9160254561324344
1038209977804442
11111a184037a664
124351424309a4a
13184225456b172
14961530d32d2a
15463de113a047
hex22c07427669a

38209977804442 has 8 divisors (see below), whose sum is σ = 57315229526016. Its totient is φ = 19104901295772.

The previous prime is 38209977804413. The next prime is 38209977804497. The reversal of 38209977804442 is 24440877990283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43256668 + ... + 44131159.

It is an arithmetic number, because the mean of its divisors is an integer number (7164403690752).

Almost surely, 238209977804442 is an apocalyptic number.

38209977804442 is a deficient number, since it is larger than the sum of its proper divisors (19105251721574).

38209977804442 is a wasteful number, since it uses less digits than its factorization.

38209977804442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87606452.

The product of its (nonzero) digits is 195084288, while the sum is 67.

The spelling of 38209977804442 in words is "thirty-eight trillion, two hundred nine billion, nine hundred seventy-seven million, eight hundred four thousand, four hundred forty-two".

Divisors: 1 2 218623 437246 87387827 174775654 19104988902221 38209977804442