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68772295295 = 51117976131237
BaseRepresentation
bin100000000001100100…
…1011111001001111111
320120111212012120121222
41000003021133021333
52111321201422140
651332112543555
74653145602434
oct1000311371177
9216455176558
1068772295295
1127191193390
12113b3851bbb
13663cca2b72
143485953b8b
151bc79515b5
hex100325f27f

68772295295 has 64 divisors (see below), whose sum is σ = 96542845056. Its totient is φ = 46475182080.

The previous prime is 68772295259. The next prime is 68772295303. The reversal of 68772295295 is 59259227786.

It is not a de Polignac number, because 68772295295 - 222 = 68768100991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55595417 + ... + 55596653.

It is an arithmetic number, because the mean of its divisors is an integer number (1508481954).

Almost surely, 268772295295 is an apocalyptic number.

68772295295 is a deficient number, since it is larger than the sum of its proper divisors (27770549761).

68772295295 is a wasteful number, since it uses less digits than its factorization.

68772295295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its digits is 38102400, while the sum is 62.

The spelling of 68772295295 in words is "sixty-eight billion, seven hundred seventy-two million, two hundred ninety-five thousand, two hundred ninety-five".

Divisors: 1 5 11 17 55 85 97 187 485 613 935 1067 1237 1649 3065 5335 6185 6743 8245 10421 13607 18139 21029 33715 52105 59461 68035 90695 105145 114631 119989 231319 297305 573155 599945 654071 758281 1010837 1156595 1319879 2039813 3270355 3791405 5054185 6599395 8341091 10199065 11119207 12890777 22437943 41705455 55596035 64453885 73553257 112189715 141798547 367766285 708992735 809085827 1250405369 4045429135 6252026845 13754459059 68772295295