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101231012044 = 2231779835183
BaseRepresentation
bin101111001000111010…
…1101010100011001100
3100200021222000020022101
41132101311222203030
53124310114341134
6114301015524444
710212412255621
oct1362165524314
9320258006271
10101231012044
1139a282a3728
1217752089724
139713871736
144c84744348
15297734de14
hex1791d6a8cc

101231012044 has 12 divisors (see below), whose sum is σ = 177713119584. Its totient is φ = 50455835024.

The previous prime is 101231012039. The next prime is 101231012111. The reversal of 101231012044 is 440210132101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39916324 + ... + 39918859.

It is an arithmetic number, because the mean of its divisors is an integer number (14809426632).

Almost surely, 2101231012044 is an apocalyptic number.

It is an amenable number.

101231012044 is a deficient number, since it is larger than the sum of its proper divisors (76482107540).

101231012044 is a wasteful number, since it uses less digits than its factorization.

101231012044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79835504 (or 79835502 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101231012044 its reverse (440210132101), we get a palindrome (541441144145).

The spelling of 101231012044 in words is "one hundred one billion, two hundred thirty-one million, twelve thousand, forty-four".

Divisors: 1 2 4 317 634 1268 79835183 159670366 319340732 25307753011 50615506022 101231012044