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38890523557223 = 1322292024949627
BaseRepresentation
bin10001101011110111001111…
…10101110111110101100111
312002200220020110021001221122
420311323213311313311213
520044140243012312343
6214414020533404155
711122514266634102
oct1065734765676547
9162626213231848
1038890523557223
1111434418746398
1244412b179965b
13189148c414700
14986450617739
1547697232b068
hex235ee7d77d67

38890523557223 has 24 divisors (see below), whose sum is σ = 42299061030000. Its totient is φ = 35739695556864.

The previous prime is 38890523557211. The next prime is 38890523557231. The reversal of 38890523557223 is 32275532509883.

It is not a de Polignac number, because 38890523557223 - 236 = 38821804080487 is a prime.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38890523527223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783631736 + ... + 783681362.

It is an arithmetic number, because the mean of its divisors is an integer number (1762460876250).

Almost surely, 238890523557223 is an apocalyptic number.

38890523557223 is a deficient number, since it is larger than the sum of its proper divisors (3408537472777).

38890523557223 is a wasteful number, since it uses less digits than its factorization.

38890523557223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70131 (or 70118 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 62.

The spelling of 38890523557223 in words is "thirty-eight trillion, eight hundred ninety billion, five hundred twenty-three million, five hundred fifty-seven thousand, two hundred twenty-three".

Divisors: 1 13 169 229 2977 20249 38701 49627 263237 645151 3422081 4637021 8386963 11364583 60281273 147739579 783656549 1004897123 1920614527 13063662599 169827613787 230121441167 2991578735171 38890523557223