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102003643976 = 2313980804269
BaseRepresentation
bin101111011111111100…
…1000001011001001000
3100202021210212000001212
41132333321001121020
53132400413101401
6114505420032252
710240513445063
oct1367771013110
9322253760055
10102003643976
113a294441513
1217928992688
1398079615b0
144d191c78da
1529c00bbdbb
hex17bfe41648

102003643976 has 16 divisors (see below), whose sum is σ = 205968896700. Its totient is φ = 47078604864.

The previous prime is 102003643961. The next prime is 102003644009. The reversal of 102003643976 is 679346300201.

It can be written as a sum of positive squares in 2 ways, for example, as 101384928100 + 618715876 = 318410^2 + 24874^2 .

It is a super-2 number, since 2×1020036439762 (a number of 23 digits) contains 22 as substring.

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, 490402031 + ... + 490402238.

Almost surely, 2102003643976 is an apocalyptic number.

It is an amenable number.

102003643976 is an abundant number, since it is smaller than the sum of its proper divisors (103965252724).

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

102003643976 is a wasteful number, since it uses less digits than its factorization.

102003643976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980804288 (or 980804284 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 102003643976 in words is "one hundred two billion, three million, six hundred forty-three thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 13 26 52 104 980804269 1961608538 3923217076 7846434152 12750455497 25500910994 51001821988 102003643976