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68722037222 = 21911237145433
BaseRepresentation
bin100000000000000100…
…1110001000111100110
320120101100122012111212
41000000021301013212
52111220320142342
651323115431422
74651665451436
oct1000011610746
9216340565455
1068722037222
1127165886793
121139aa55572
136632757167
14347cdd02c6
151bc3325182
hex10002711e6

68722037222 has 16 divisors (see below), whose sum is σ = 103707240192. Its totient is φ = 34153250880.

The previous prime is 68722037201. The next prime is 68722037231. The reversal of 68722037222 is 22273022786.

It is a self number, because there is not a number n which added to its sum of digits gives 68722037222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399818 + ... + 545250.

It is an arithmetic number, because the mean of its divisors is an integer number (6481702512).

Almost surely, 268722037222 is an apocalyptic number.

68722037222 is a deficient number, since it is larger than the sum of its proper divisors (34985202970).

68722037222 is a wasteful number, since it uses less digits than its factorization.

68722037222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146863.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 68722037222 in words is "sixty-eight billion, seven hundred twenty-two million, thirty-seven thousand, two hundred twenty-two".

Divisors: 1 2 191 382 1237 2474 145433 236267 290866 472534 27777703 55555406 179900621 359801242 34361018611 68722037222