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38721252952 = 238595634641
BaseRepresentation
bin100100000011111101…
…110110111001011000
310200221112212110022201
4210003331312321120
51113300120043302
625442134455544
72540356135204
oct440375667130
9120845773281
1038721252952
11154701574a8
1276078045b4
1338611790c5
141c3481db04
1510195e3c87
hex903f76e58

38721252952 has 16 divisors (see below), whose sum is σ = 72686881800. Its totient is φ = 19338084480.

The previous prime is 38721252949. The next prime is 38721252953. The reversal of 38721252952 is 25925212783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38721252953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2810449 + ... + 2824192.

Almost surely, 238721252952 is an apocalyptic number.

It is an amenable number.

38721252952 is a deficient number, since it is larger than the sum of its proper divisors (33965628848).

38721252952 is a wasteful number, since it uses less digits than its factorization.

38721252952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635506 (or 5635502 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The spelling of 38721252952 in words is "thirty-eight billion, seven hundred twenty-one million, two hundred fifty-two thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 859 1718 3436 6872 5634641 11269282 22538564 45077128 4840156619 9680313238 19360626476 38721252952