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30119993280 = 26325134353353
BaseRepresentation
bin11100000011010010…
…101001111111000000
32212202010002012012200
4130003102221333000
5443141204241110
621500435553200
72114254501326
oct340322517700
985663065180
1030119993280
1111856a50833
125a0715b800
132ac01b8c40
14165a361d16
15bb442c6c0
hex7034a9fc0

30119993280 has 672 divisors, whose sum is σ = 116647667136. Its totient is φ = 7084965888.

The previous prime is 30119993263. The next prime is 30119993291. The reversal of 30119993280 is 8239991103.

It is a happy number.

30119993280 is a `hidden beast` number, since 301 + 19 + 9 + 9 + 328 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85325584 + ... + 85325936.

It is an arithmetic number, because the mean of its divisors is an integer number (173582838).

Almost surely, 230119993280 is an apocalyptic number.

30119993280 is a gapful number since it is divisible by the number (30) 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 30119993280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58323833568).

30119993280 is an abundant number, since it is smaller than the sum of its proper divisors (86527673856).

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

30119993280 is a wasteful number, since it uses less digits than its factorization.

30119993280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 30119993280 in words is "thirty billion, one hundred nineteen million, nine hundred ninety-three thousand, two hundred eighty".