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37000000072 = 2371692139047
BaseRepresentation
bin100010011101010111…
…110011001001001000
310112111121000202021001
4202131113303021020
51101234000000242
624555250224344
72446615545220
oct423527631110
9115447022231
1037000000072
1114767598762
1272072850b4
13364869b089
141b0dda5080
15e68442eb7
hex89d5f3248

37000000072 has 32 divisors (see below), whose sum is σ = 79292430720. Its totient is φ = 15855799680.

The previous prime is 37000000067. The next prime is 37000000073. The reversal of 37000000072 is 27000000073.

It is a junction number, because it is equal to n+sod(n) for n = 36999999986 and 37000000049.

It is not an unprimeable number, because it can be changed into a prime (37000000073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928053 + ... + 967099.

It is an arithmetic number, because the mean of its divisors is an integer number (2477888460).

Almost surely, 237000000072 is an apocalyptic number.

It is an amenable number.

37000000072 is an abundant number, since it is smaller than the sum of its proper divisors (42292430648).

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

37000000072 is a wasteful number, since it uses less digits than its factorization.

37000000072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55981 (or 55977 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 19.

Subtracting from 37000000072 its reverse (27000000073), we obtain a palindrome (9999999999).

The spelling of 37000000072 in words is "thirty-seven billion, seventy-two", and thus it is an aban number and an uban number.

Divisors: 1 2 4 7 8 14 28 56 16921 33842 39047 67684 78094 118447 135368 156188 236894 273329 312376 473788 546658 947576 1093316 2186632 660714287 1321428574 2642857148 4625000009 5285714296 9250000018 18500000036 37000000072