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83728412937 = 33131729592139
BaseRepresentation
bin100110111111010011…
…0100011000100001001
322000010011210002001000
41031332212203010021
52332433433203222
6102244142245213
76022603524111
oct1157646430411
9260104702030
1083728412937
1132566562994
1214288586809
137b846c6210
1440a3dd4041
1522a09989ac
hex137e9a3109

83728412937 has 192 divisors, whose sum is σ = 149911776000. Its totient is φ = 45697333248.

The previous prime is 83728412927. The next prime is 83728412947. The reversal of 83728412937 is 73921482738.

It is an interprime number because it is at equal distance from previous prime (83728412927) and next prime (83728412947).

It is not a de Polignac number, because 83728412937 - 211 = 83728410889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83728412927) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 602362614 + ... + 602362752.

It is an arithmetic number, because the mean of its divisors is an integer number (780790500).

Almost surely, 283728412937 is an apocalyptic number.

83728412937 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

83728412937 is a deficient number, since it is larger than the sum of its proper divisors (66183363063).

83728412937 is a wasteful number, since it uses less digits than its factorization.

83728412937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 260 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 83728412937 in words is "eighty-three billion, seven hundred twenty-eight million, four hundred twelve thousand, nine hundred thirty-seven".