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2738481387973 = 171957371477823
BaseRepresentation
bin100111110110011010001…
…101011101100111000101
3100200210111110212022010121
4213312122031131213011
5324331402213403343
65454012504021541
7401564056506052
oct47663215354705
910623443768117
102738481387973
11966424395861
1238289ba618b1
1316b312275b66
14967867b6029
154b37a597aed
hex27d9a35d9c5

2738481387973 has 16 divisors (see below), whose sum is σ = 3052711480320. Its totient is φ = 2441314653696.

The previous prime is 2738481387953. The next prime is 2738481387989. The reversal of 2738481387973 is 3797831848372.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2738481387973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2738481387953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114140 + ... + 2591962.

It is an arithmetic number, because the mean of its divisors is an integer number (190794467520).

Almost surely, 22738481387973 is an apocalyptic number.

It is an amenable number.

2738481387973 is a deficient number, since it is larger than the sum of its proper divisors (314230092347).

2738481387973 is a wasteful number, since it uses less digits than its factorization.

2738481387973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483596.

The product of its digits is 341397504, while the sum is 70.

The spelling of 2738481387973 in words is "two trillion, seven hundred thirty-eight billion, four hundred eighty-one million, three hundred eighty-seven thousand, nine hundred seventy-three".

Divisors: 1 17 19 323 5737 97529 109003 1477823 1853051 25122991 28078637 477336829 8478270551 144130599367 161087140469 2738481387973