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1901243082616 = 233175189144479
BaseRepresentation
bin11011101010101010111…
…010110010011101111000
320201202102220021122111021
4123222222322302131320
5222122221212120431
64013230301312224
7254234401362103
oct33525272623570
96652386248437
101901243082616
11673349178099
12268582565674
1310a395451a97
146804097573a
15346c7e8db11
hex1baaaeb2778

1901243082616 has 32 divisors (see below), whose sum is σ = 3576790224000. Its totient is φ = 947433556096.

The previous prime is 1901243082611. The next prime is 1901243082643. The reversal of 1901243082616 is 6162803421091.

It is a super-2 number, since 2×19012430826162 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901243082611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13087065 + ... + 13231543.

It is an arithmetic number, because the mean of its divisors is an integer number (111774694500).

Almost surely, 21901243082616 is an apocalyptic number.

It is an amenable number.

1901243082616 is a deficient number, since it is larger than the sum of its proper divisors (1675547141384).

1901243082616 is a wasteful number, since it uses less digits than its factorization.

1901243082616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149991 (or 149987 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 1901243082616 in words is "one trillion, nine hundred one billion, two hundred forty-three million, eighty-two thousand, six hundred sixteen".

Divisors: 1 2 4 8 317 634 1268 2536 5189 10378 20756 41512 144479 288958 577916 1155832 1644913 3289826 6579652 13159304 45799843 91599686 183199372 366398744 749701531 1499403062 2998806124 5997612248 237655385327 475310770654 950621541308 1901243082616