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30505050502 = 2411512719091
BaseRepresentation
bin11100011010001111…
…100010000110000110
32220201221122010102021
4130122033202012012
5444433243104002
622002553033354
72126641436203
oct343217420606
986657563367
1030505050502
1111a3433aa43
125ab40b585a
132b51bc7c54
141695556caa
15bd813d737
hex71a3e2186

30505050502 has 32 divisors (see below), whose sum is σ = 47363355648. Its totient is φ = 14725800000.

The previous prime is 30505050473. The next prime is 30505050539. The reversal of 30505050502 is 20505050503.

It is a super-2 number, since 2×305050505022 (a number of 22 digits) contains 22 as substring.

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, 3350977 + ... + 3360067.

It is an arithmetic number, because the mean of its divisors is an integer number (1480104864).

Almost surely, 230505050502 is an apocalyptic number.

30505050502 is a deficient number, since it is larger than the sum of its proper divisors (16858305146).

30505050502 is a wasteful number, since it uses less digits than its factorization.

30505050502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9556.

The product of its (nonzero) digits is 3750, while the sum is 25.

Subtracting from 30505050502 its reverse (20505050503), we obtain a palindrome (9999999999).

The spelling of 30505050502 in words is "thirty billion, five hundred five million, fifty thousand, five hundred two".

Divisors: 1 2 41 82 151 271 302 542 6191 9091 11111 12382 18182 22222 40921 81842 372731 745462 1372741 1677761 2463661 2745482 3355522 4927322 56282381 101010101 112564762 202020202 372012811 744025622 15252525251 30505050502