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30213353554020 = 223257134739245257
BaseRepresentation
bin1101101111010100110000…
…01101001100000001100100
310221222100221120001021101100
412313222120031030001210
512430003422002212040
6144131453434200100
76235562031566460
oct667523015140144
9127870846037340
1030213353554020
11969945846a00a
12347b672b83030
1313b215115bb80
14766496b4b4a0
15375dba73bb30
hex1b7a9834c064

30213353554020 has 288 divisors, whose sum is σ = 115196448826368. Its totient is φ = 6239053817856.

The previous prime is 30213353553989. The next prime is 30213353554031. The reversal of 30213353554020 is 2045535331203.

30213353554020 is a `hidden beast` number, since 3 + 0 + 2 + 1 + 33 + 53 + 554 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 18852769 + ... + 20392488.

It is an arithmetic number, because the mean of its divisors is an integer number (399987669536).

Almost surely, 230213353554020 is an apocalyptic number.

30213353554020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30213353554020 is an abundant number, since it is smaller than the sum of its proper divisors (84983095272348).

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

30213353554020 is a wasteful number, since it uses less digits than its factorization.

30213353554020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39245339 (or 39245334 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 30213353554020 its reverse (2045535331203), we get a palindrome (32258888885223).

The spelling of 30213353554020 in words is "thirty trillion, two hundred thirteen billion, three hundred fifty-three million, five hundred fifty-four thousand, twenty".