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74013444912 = 243113759157409
BaseRepresentation
bin100010011101110001…
…0111000101100110000
321002001010100120021110
41010323202320230300
52203034420214122
654000140553320
75230056621141
oct1047342705460
9232033316243
1074013444912
11294307296a0
1212416b52840
136c96a95924
143821a69ac8
151dd2b3e90c
hex113b8b8b30

74013444912 has 320 divisors, whose sum is σ = 219775219200. Its totient is φ = 21263523840.

The previous prime is 74013444907. The next prime is 74013444917. The reversal of 74013444912 is 21944431047.

It is an interprime number because it is at equal distance from previous prime (74013444907) and next prime (74013444917).

It is not an unprimeable number, because it can be changed into a prime (74013444917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180961764 + ... + 180962172.

It is an arithmetic number, because the mean of its divisors is an integer number (686797560).

Almost surely, 274013444912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74013444912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109887609600).

74013444912 is an abundant number, since it is smaller than the sum of its proper divisors (145761774288).

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

74013444912 is a wasteful number, since it uses less digits than its factorization.

74013444912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

Adding to 74013444912 its reverse (21944431047), we get a palindrome (95957875959).

The spelling of 74013444912 in words is "seventy-four billion, thirteen million, four hundred forty-four thousand, nine hundred twelve".