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2215492896156 = 223297198854463
BaseRepresentation
bin100000001111010101101…
…010101100010110011100
321211210120111202012120020
4200033111222230112130
5242244312140134111
64413441113352140
7316030656620361
oct40172552542634
97753514665506
102215492896156
11784648a891a1
122b9464108650
13130bc6568107
147933241c468
153c96b679906
hex203d5aac59c

2215492896156 has 48 divisors (see below), whose sum is σ = 5355179827200. Its totient is φ = 712040416192.

The previous prime is 2215492896151. The next prime is 2215492896157. The reversal of 2215492896156 is 6516982945122.

It is a self number, because there is not a number n which added to its sum of digits gives 2215492896156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215492896151) 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, 4177020 + ... + 4677443.

It is an arithmetic number, because the mean of its divisors is an integer number (111566246400).

Almost surely, 22215492896156 is an apocalyptic number.

It is an amenable number.

2215492896156 is an abundant number, since it is smaller than the sum of its proper divisors (3139686931044).

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

2215492896156 is a wasteful number, since it uses less digits than its factorization.

2215492896156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855218 (or 8855216 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 60.

The spelling of 2215492896156 in words is "two trillion, two hundred fifteen billion, four hundred ninety-two million, eight hundred ninety-six thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 719 1438 2157 2876 4314 8628 20851 41702 62553 83404 125106 250212 8854463 17708926 26563389 35417852 53126778 106253556 256779427 513558854 770338281 1027117708 1540676562 3081353124 6366358897 12732717794 19099076691 25465435588 38198153382 76396306764 184624408013 369248816026 553873224039 738497632052 1107746448078 2215492896156