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19483030980 = 22335750310247
BaseRepresentation
bin10010001001010001…
…110111010111000100
31212021210202112002000
4102021101313113010
5304400123442410
612541140545300
71256544013410
oct221121672704
955253675060
1019483030980
1182987325a6
1239389b2230
131ab6560bca
14d2b793d40
1579069edc0
hex4894775c4

19483030980 has 192 divisors, whose sum is σ = 69417492480. Its totient is φ = 4443977088.

The previous prime is 19483030967. The next prime is 19483030993. The reversal of 19483030980 is 8903038491.

19483030980 is a `hidden beast` number, since 194 + 83 + 0 + 309 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (19483030967) and next prime (19483030993).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1896217 + ... + 1906463.

It is an arithmetic number, because the mean of its divisors is an integer number (361549440).

Almost surely, 219483030980 is an apocalyptic number.

19483030980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19483030980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34708746240).

19483030980 is an abundant number, since it is smaller than the sum of its proper divisors (49934461500).

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

19483030980 is a wasteful number, since it uses less digits than its factorization.

19483030980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10775 (or 10767 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 19483030980 in words is "nineteen billion, four hundred eighty-three million, thirty thousand, nine hundred eighty".