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102103120232 = 2317750758237
BaseRepresentation
bin101111100010111010…
…0011111100101101000
3100202112202000220211122
41133011310133211220
53133101344321412
6114523332114412
710243132126241
oct1370564374550
9322482026748
10102103120232
113a3356054a3
1217956165a08
139822450899
144d284bdcc8
1529c8bbb572
hex17c5d1f968

102103120232 has 16 divisors (see below), whose sum is σ = 202704724260. Its totient is φ = 48048527104.

The previous prime is 102103120201. The next prime is 102103120237. The reversal of 102103120232 is 232021301201.

It can be written as a sum of positive squares in 2 ways, for example, as 96344435236 + 5758684996 = 310394^2 + 75886^2 .

It is a super-2 number, since 2×1021031202322 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 102103120232.

It is not an unprimeable number, because it can be changed into a prime (102103120237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375378983 + ... + 375379254.

Almost surely, 2102103120232 is an apocalyptic number.

It is an amenable number.

102103120232 is a deficient number, since it is larger than the sum of its proper divisors (100601604028).

102103120232 is a wasteful number, since it uses less digits than its factorization.

102103120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750758260 (or 750758256 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102103120232 its reverse (232021301201), we get a palindrome (334124421433).

The spelling of 102103120232 in words is "one hundred two billion, one hundred three million, one hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 17 34 68 136 750758237 1501516474 3003032948 6006065896 12762890029 25525780058 51051560116 102103120232