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20767078413076 = 221719414371128411
BaseRepresentation
bin1001011100011001101100…
…10101001111001100010100
32201112022110101211100110011
410232030312111033030110
510210221434033204301
6112100133014410004
74242241363655632
oct456146625171424
981468411740404
1020767078413076
1166872a5405256
1223b4970660904
13b78433809a58
1451b1bc144352
152602ecce8a51
hex12e33654f314

20767078413076 has 192 divisors, whose sum is σ = 43056687421440. Its totient is φ = 8698185216000.

The previous prime is 20767078413061. The next prime is 20767078413077. The reversal of 20767078413076 is 67031487076702.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20767078413076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20767078413077) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161659311 + ... + 161787721.

It is an arithmetic number, because the mean of its divisors is an integer number (224253580320).

Almost surely, 220767078413076 is an apocalyptic number.

It is an amenable number.

20767078413076 is an abundant number, since it is smaller than the sum of its proper divisors (22289609008364).

20767078413076 is a wasteful number, since it uses less digits than its factorization.

20767078413076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128606 (or 128604 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 58.

The spelling of 20767078413076 in words is "twenty trillion, seven hundred sixty-seven billion, seventy-eight million, four hundred thirteen thousand, seventy-six".