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107726245445 = 57213216132
BaseRepresentation
bin110010001010011111…
…1000000111001000101
3101022001121221021111102
41210110333000321011
53231110404323240
6121253323145445
710532361656300
oct1442477007105
9338047837442
10107726245445
1141760725715
1218a65375285
13a20a413b00
1452dd227b37
152c076ac815
hex1914fc0e45

107726245445 has 54 divisors (see below), whose sum is σ = 162935328438. Its totient is φ = 68144888448.

The previous prime is 107726245421. The next prime is 107726245481. The reversal of 107726245445 is 544542627701.

It can be written as a sum of positive squares in 9 ways, for example, as 47704675396 + 60021570049 = 218414^2 + 244993^2 .

It is not a de Polignac number, because 107726245445 - 218 = 107725983301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107726245445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 66785459 + ... + 66787071.

It is an arithmetic number, because the mean of its divisors is an integer number (3017320897).

Almost surely, 2107726245445 is an apocalyptic number.

It is an amenable number.

107726245445 is a deficient number, since it is larger than the sum of its proper divisors (55209082993).

107726245445 is an frugal number, since it uses more digits than its factorization.

107726245445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 107726245445 in words is "one hundred seven billion, seven hundred twenty-six million, two hundred forty-five thousand, four hundred forty-five".

Divisors: 1 5 7 13 35 49 65 91 169 245 455 637 845 1183 1613 3185 5915 8065 8281 11291 20969 41405 56455 79037 104845 146783 272597 395185 733915 1027481 1362985 1908179 2601769 5137405 9540895 13008845 13357253 18212383 33822997 66786265 91061915 127486681 169114985 236760979 439698961 637433405 1183804895 1657326853 2198494805 3077892727 8286634265 15389463635 21545249089 107726245445