Base | Representation |
---|---|
bin | 1110010011001010111000… |
… | …10011101111101101010010 |
3 | 11010100010001102010112110110 |
4 | 13021211130103233231102 |
5 | 13110143332042112114 |
6 | 150513345135142150 |
7 | 6423553343033040 |
oct | 711453423575522 |
9 | 133303042115413 |
10 | 31445004254034 |
11 | a02382a14a518 |
12 | 363a304374956 |
13 | 1471335ab6627 |
14 | 7a9d36a11390 |
15 | 397e53e17759 |
hex | 1c995c4efb52 |
31445004254034 has 64 divisors (see below), whose sum is σ = 72958723200000. Its totient is φ = 8848776391488.
The previous prime is 31445004254009. The next prime is 31445004254137. The reversal of 31445004254034 is 43045240054413.
It is a junction number, because it is equal to n+sod(n) for n = 31445004253983 and 31445004254001.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16749717 + ... + 18532215.
It is an arithmetic number, because the mean of its divisors is an integer number (1139980050000).
Almost surely, 231445004254034 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31445004254034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36479361600000).
31445004254034 is an abundant number, since it is smaller than the sum of its proper divisors (41513718945966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31445004254034 is a wasteful number, since it uses less digits than its factorization.
31445004254034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1788847.
The product of its (nonzero) digits is 460800, while the sum is 39.
The spelling of 31445004254034 in words is "thirty-one trillion, four hundred forty-five billion, four million, two hundred fifty-four thousand, thirty-four".
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