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30023122215552 = 27378185214103
BaseRepresentation
bin1101101001110010011011…
…00010001110001010000000
310221022011221000020000021220
412310321031202032022000
512413344323241344202
6143504233144315040
76216045646105314
oct664711542161200
9127264830200256
1030023122215552
119625809875904
12344a822a72a80
13139a22591c8bb
1475b1ac1adb44
15370e84bcaabc
hex1b4e4d88e280

30023122215552 has 32 divisors (see below), whose sum is σ = 79748918386080. Its totient is φ = 10007707405056.

The previous prime is 30023122215539. The next prime is 30023122215589. The reversal of 30023122215552 is 25551222132003.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39092606668 + ... + 39092607435.

It is an arithmetic number, because the mean of its divisors is an integer number (2492153699565).

Almost surely, 230023122215552 is an apocalyptic number.

30023122215552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30023122215552 is an abundant number, since it is smaller than the sum of its proper divisors (49725796170528).

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

30023122215552 is an equidigital number, since it uses as much as digits as its factorization.

30023122215552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78185214120 (or 78185214108 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 30023122215552 its reverse (25551222132003), we get a palindrome (55574344347555).

The spelling of 30023122215552 in words is "thirty trillion, twenty-three billion, one hundred twenty-two million, two hundred fifteen thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 78185214103 156370428206 234555642309 312740856412 469111284618 625481712824 938222569236 1250963425648 1876445138472 2501926851296 3752890276944 5003853702592 7505780553888 10007707405184 15011561107776 30023122215552