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87106753048 = 2371555477733
BaseRepresentation
bin101000100011111110…
…1111001001000011000
322022211121201112102211
41101013331321020120
52411343312044143
6104003304004504
76202405120150
oct1210775711030
9268747645384
1087106753048
1133a3a544907
1214a6ba60734
1382a25a7233
144304963760
1523ec37349d
hex1447f79218

87106753048 has 16 divisors (see below), whose sum is σ = 186657328080. Its totient is φ = 37331465568.

The previous prime is 87106753009. The next prime is 87106753051. The reversal of 87106753048 is 84035760178.

It is a happy number.

It is a super-5 number, since 5×871067530485 (a number of 56 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87106752992 and 87106753010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777738811 + ... + 777738922.

It is an arithmetic number, because the mean of its divisors is an integer number (11666083005).

Almost surely, 287106753048 is an apocalyptic number.

It is an amenable number.

87106753048 is an abundant number, since it is smaller than the sum of its proper divisors (99550575032).

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

87106753048 is a wasteful number, since it uses less digits than its factorization.

87106753048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555477746 (or 1555477742 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 87106753048 in words is "eighty-seven billion, one hundred six million, seven hundred fifty-three thousand, forty-eight".

Divisors: 1 2 4 7 8 14 28 56 1555477733 3110955466 6221910932 10888344131 12443821864 21776688262 43553376524 87106753048