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30342745900 = 22521931572163
BaseRepresentation
bin11100010000100100…
…011000111100101100
32220022122020012100201
4130100210120330230
5444120220332100
621534514203244
72122631041015
oct342044307454
986278205321
1030342745900
1111960764105
125a69883524
132b273ab51c
14167bb8800c
15bc8c7d36a
hex710918f2c

30342745900 has 36 divisors (see below), whose sum is σ = 66184960072. Its totient is φ = 12074204160.

The previous prime is 30342745897. The next prime is 30342745903. The reversal of 30342745900 is 954724303.

It is an interprime number because it is at equal distance from previous prime (30342745897) and next prime (30342745903).

It is a self number, because there is not a number n which added to its sum of digits gives 30342745900.

It is not an unprimeable number, because it can be changed into a prime (30342745903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766782 + ... + 805381.

Almost surely, 230342745900 is an apocalyptic number.

It is an amenable number.

30342745900 is an abundant number, since it is smaller than the sum of its proper divisors (35842214172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30342745900 is a wasteful number, since it uses less digits than its factorization.

30342745900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572370 (or 1572363 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 30342745900 in words is "thirty billion, three hundred forty-two million, seven hundred forty-five thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 193 386 772 965 1930 3860 4825 9650 19300 1572163 3144326 6288652 7860815 15721630 31443260 39304075 78608150 157216300 303427459 606854918 1213709836 1517137295 3034274590 6068549180 7585686475 15171372950 30342745900