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101235430402 = 2311211626481
BaseRepresentation
bin101111001001000011…
…0100001010000000010
3100200022021022201011021
41132102012201100002
53124312232233102
6114301254340054
710212464650261
oct1362206412002
9320267281137
10101235430402
1139a2a841267
121775365a62a
13971475a852
144c851745d8
152977923137
hex17921a1402

101235430402 has 8 divisors (see below), whose sum is σ = 151858118412. Its totient is φ = 50616057600.

The previous prime is 101235430397. The next prime is 101235430409. The reversal of 101235430402 is 204034532101.

It can be written as a sum of positive squares in 2 ways, for example, as 95037174961 + 6198255441 = 308281^2 + 78729^2 .

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

It is a super-2 number, since 2×1012354304022 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101235430409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750999 + ... + 875482.

Almost surely, 2101235430402 is an apocalyptic number.

101235430402 is a deficient number, since it is larger than the sum of its proper divisors (50622688010).

101235430402 is a wasteful number, since it uses less digits than its factorization.

101235430402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657604.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 101235430402 its reverse (204034532101), we get a palindrome (305269962503).

The spelling of 101235430402 in words is "one hundred one billion, two hundred thirty-five million, four hundred thirty thousand, four hundred two".

Divisors: 1 2 31121 62242 1626481 3252962 50617715201 101235430402