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30542153032 = 233817769129
BaseRepresentation
bin11100011100011101…
…000100010101001000
32220211112110010112001
4130130131010111020
51000022242344112
622010400200344
72130602005636
oct343435042510
986745403461
1030542153032
1111a53281696
125b046090b4
132b597b8a01
14169a454356
15bdb51bc57
hex71c744548

30542153032 has 8 divisors (see below), whose sum is σ = 57266536950. Its totient is φ = 15271076512.

The previous prime is 30542153027. The next prime is 30542153069. The reversal of 30542153032 is 23035124503.

It can be written as a sum of positive squares in only one way, i.e., 25569928836 + 4972224196 = 159906^2 + 70514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×305421530322 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1908884557 + ... + 1908884572.

Almost surely, 230542153032 is an apocalyptic number.

It is an amenable number.

30542153032 is a deficient number, since it is larger than the sum of its proper divisors (26724383918).

30542153032 is a wasteful number, since it uses less digits than its factorization.

30542153032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817769135 (or 3817769131 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 30542153032 its reverse (23035124503), we get a palindrome (53577277535).

The spelling of 30542153032 in words is "thirty billion, five hundred forty-two million, one hundred fifty-three thousand, thirty-two".

Divisors: 1 2 4 8 3817769129 7635538258 15271076516 30542153032