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37899109420 = 2253315724941
BaseRepresentation
bin100011010010111101…
…101000010000101100
310121211020212020102021
4203102331220100230
51110104133000140
625224405235524
72511114054244
oct432275502054
9117736766367
1037899109420
1115089071937
127418402ba4
13375ca42243
141b9756cb24
15ebc345b4a
hex8d2f6842c

37899109420 has 24 divisors (see below), whose sum is σ = 79828591248. Its totient is φ = 15113841600.

The previous prime is 37899109399. The next prime is 37899109429. The reversal of 37899109420 is 2490199873.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (37899109429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2855851 + ... + 2869090.

It is an arithmetic number, because the mean of its divisors is an integer number (3326191302).

Almost surely, 237899109420 is an apocalyptic number.

It is an amenable number.

37899109420 is an abundant number, since it is smaller than the sum of its proper divisors (41929481828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37899109420 is a wasteful number, since it uses less digits than its factorization.

37899109420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725281 (or 5725279 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 37899109420 in words is "thirty-seven billion, eight hundred ninety-nine million, one hundred nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 331 662 1324 1655 3310 6620 5724941 11449882 22899764 28624705 57249410 114498820 1894955471 3789910942 7579821884 9474777355 18949554710 37899109420