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102031130301202 = 2127739949542013
BaseRepresentation
bin10111001100101111111001…
…010001110001001100010010
3111101021002011220022112101101
4113030233321101301030102
5101333134223324114302
61001000242034055014
730330335344634044
oct2714577121611422
9441232156275341
10102031130301202
112a568183122013
12b53a39711a46a
1344c1656ca218b
141b2a493c95a94
15bbe0e5745287
hex5ccbf9471312

102031130301202 has 8 divisors (see below), whose sum is σ = 153166544081676. Its totient is φ = 50975615607312.

The previous prime is 102031130301181. The next prime is 102031130301209. The reversal of 102031130301202 is 202103031130201.

It can be written as a sum of positive squares in 2 ways, for example, as 86765145077961 + 15265985223241 = 9314781^2 + 3907171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102031130301202.

It is not an unprimeable number, because it can be changed into a prime (102031130301209) 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, 19974768453 + ... + 19974773560.

Almost surely, 2102031130301202 is an apocalyptic number.

102031130301202 is a deficient number, since it is larger than the sum of its proper divisors (51135413780474).

102031130301202 is a wasteful number, since it uses less digits than its factorization.

102031130301202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39949543292.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102031130301202 its reverse (202103031130201), we get a palindrome (304134161431403).

The spelling of 102031130301202 in words is "one hundred two trillion, thirty-one billion, one hundred thirty million, three hundred one thousand, two hundred two".

Divisors: 1 2 1277 2554 39949542013 79899084026 51015565150601 102031130301202