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7999132102 = 2131573116301
BaseRepresentation
bin1110111001100100…
…10001000111000110
3202122110210000100221
413130302101013012
5112340234211402
63401425054554
7402140333563
oct73462210706
922573700327
107999132102
113435335385
121672a8745a
139a62cb080
1455c51d86a
1531c3c8337
hex1dcc911c6

7999132102 has 32 divisors (see below), whose sum is σ = 13047862464. Its totient is φ = 3656016000.

The previous prime is 7999132091. The next prime is 7999132109. The reversal of 7999132102 is 2012319997.

It is a super-2 number, since 2×79991321022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7999132109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266352 + ... + 1272652.

It is an arithmetic number, because the mean of its divisors is an integer number (407745702).

Almost surely, 27999132102 is an apocalyptic number.

7999132102 is a deficient number, since it is larger than the sum of its proper divisors (5048730362).

7999132102 is a wasteful number, since it uses less digits than its factorization.

7999132102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6784.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 7999132102 is about 89437.8672710838. The cubic root of 7999132102 is about 1999.9276725511.

The spelling of 7999132102 in words is "seven billion, nine hundred ninety-nine million, one hundred thirty-two thousand, one hundred two".

Divisors: 1 2 13 26 157 311 314 622 2041 4043 4082 6301 8086 12602 48827 81913 97654 163826 634751 989257 1269502 1959611 1978514 3919222 12860341 25474943 25720682 50949886 307658927 615317854 3999566051 7999132102