Search a number
-
+
30374477510520 = 2335111319351726489
BaseRepresentation
bin1101110100000000110111…
…11100010011011101111000
310222112202211120012022211210
412322000123330103131320
512440123412220314040
6144333501535523120
76253324603614003
oct672003374233570
9128482746168753
1030374477510520
11975081a76a340
1234a693b0894a0
1313c43bb2166c0
147701bda3853a
1537a19abe3480
hex1ba01bf13778

30374477510520 has 512 divisors, whose sum is σ = 112724825472000. Its totient is φ = 6437270568960.

The previous prime is 30374477510423. The next prime is 30374477510557. The reversal of 30374477510520 is 2501577447303.

It is a self number, because there is not a number n which added to its sum of digits gives 30374477510520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1146669436 + ... + 1146695924.

It is an arithmetic number, because the mean of its divisors is an integer number (220165674750).

Almost surely, 230374477510520 is an apocalyptic number.

30374477510520 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 30374477510520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56362412736000).

30374477510520 is an abundant number, since it is smaller than the sum of its proper divisors (82350347961480).

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

30374477510520 is a wasteful number, since it uses less digits than its factorization.

30374477510520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30063 (or 30059 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 48.

The spelling of 30374477510520 in words is "thirty trillion, three hundred seventy-four billion, four hundred seventy-seven million, five hundred ten thousand, five hundred twenty".