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60687223421 = 1124112232861
BaseRepresentation
bin111000100001001111…
…011000101001111101
312210122101201101001112
4320201033120221331
51443241412122141
643513533451405
74245612613346
oct704117305175
9183571641045
1060687223421
11238123a0200
12b918040b65
135951c44c76
142d19c630cd
1518a2c4e7eb
hexe213d8a7d

60687223421 has 12 divisors (see below), whose sum is σ = 68332767132. Its totient is φ = 53824584000.

The previous prime is 60687223381. The next prime is 60687223423. The reversal of 60687223421 is 12432278606.

It can be written as a sum of positive squares in 2 ways, for example, as 23210522500 + 37476700921 = 152350^2 + 193589^2 .

It is not a de Polignac number, because 60687223421 - 222 = 60683029117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60687223423) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6111470 + ... + 6121391.

It is an arithmetic number, because the mean of its divisors is an integer number (5694397261).

Almost surely, 260687223421 is an apocalyptic number.

It is an amenable number.

60687223421 is a deficient number, since it is larger than the sum of its proper divisors (7645543711).

60687223421 is a wasteful number, since it uses less digits than its factorization.

60687223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232924 (or 12232913 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 60687223421 in words is "sixty billion, six hundred eighty-seven million, two hundred twenty-three thousand, four hundred twenty-one".

Divisors: 1 11 41 121 451 4961 12232861 134561471 501547301 1480176181 5517020311 60687223421