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30632021542 = 24310116692113
BaseRepresentation
bin11100100001110011…
…111000111000100110
32221001210112220221101
4130201303320320212
51000213244142132
622023330310314
72133042613153
oct344163707046
987053486841
1030632021542
1111a99a83191
125b2a72839a
132b722c2b45
1416a836922a
15be436e7e7
hex721cf8e26

30632021542 has 32 divisors (see below), whose sum is σ = 47533036320. Its totient is φ = 14795827200.

The previous prime is 30632021531. The next prime is 30632021617. The reversal of 30632021542 is 24512023603.

It is a self number, because there is not a number n which added to its sum of digits gives 30632021542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14495878 + ... + 14497990.

It is an arithmetic number, because the mean of its divisors is an integer number (1485407385).

Almost surely, 230632021542 is an apocalyptic number.

30632021542 is a deficient number, since it is larger than the sum of its proper divisors (16901014778).

30632021542 is a wasteful number, since it uses less digits than its factorization.

30632021542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 30632021542 in words is "thirty billion, six hundred thirty-two million, twenty-one thousand, five hundred forty-two".

Divisors: 1 2 43 86 101 202 1669 2113 3338 4226 4343 8686 71767 90859 143534 168569 181718 213413 337138 426826 3526597 7053194 7248467 9176759 14496934 18353518 151643671 303287342 356186297 712372594 15316010771 30632021542