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30448185090 = 2353463293081
BaseRepresentation
bin11100010110110110…
…100110111100000010
32220120222122001201220
4130112312212330002
5444324213410330
621553202135510
72125351205631
oct342666467402
986528561656
1030448185090
1111a05230134
125a99051596
132b431a798b
14168bb93518
15bd3159710
hex716da6f02

30448185090 has 32 divisors (see below), whose sum is σ = 73096995456. Its totient is φ = 8117143680.

The previous prime is 30448185073. The next prime is 30448185107. The reversal of 30448185090 is 9058184403.

It is an interprime number because it is at equal distance from previous prime (30448185073) and next prime (30448185107).

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, 42651 + ... + 250430.

It is an arithmetic number, because the mean of its divisors is an integer number (2284281108).

Almost surely, 230448185090 is an apocalyptic number.

30448185090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30448185090 is an abundant number, since it is smaller than the sum of its proper divisors (42648810366).

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

30448185090 is a wasteful number, since it uses less digits than its factorization.

30448185090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296554.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 30448185090 in words is "thirty billion, four hundred forty-eight million, one hundred eighty-five thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 3463 6926 10389 17315 20778 34630 51945 103890 293081 586162 879243 1465405 1758486 2930810 4396215 8792430 1014939503 2029879006 3044818509 5074697515 6089637018 10149395030 15224092545 30448185090