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77134631743 = 13172373207877
BaseRepresentation
bin100011111010110010…
…1010001001100111111
321101002122102021200201
41013311211101030333
52230432431203433
655233554504331
75400316360201
oct1076545211477
9241078367621
1077134631743
112a792541544
1212b482950a7
1373735cb340
143a3a3ba771
152016b70a7d
hex11f595133f

77134631743 has 32 divisors (see below), whose sum is σ = 93036214656. Its totient is φ = 63220912128.

The previous prime is 77134631741. The next prime is 77134631807. The reversal of 77134631743 is 34713643177.

It is not a de Polignac number, because 77134631743 - 21 = 77134631741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77134631693 and 77134631702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77134631741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267121 + ... + 474997.

It is an arithmetic number, because the mean of its divisors is an integer number (2907381708).

Almost surely, 277134631743 is an apocalyptic number.

77134631743 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

77134631743 is a deficient number, since it is larger than the sum of its proper divisors (15901582913).

77134631743 is a wasteful number, since it uses less digits than its factorization.

77134631743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208003.

The product of its digits is 889056, while the sum is 46.

The spelling of 77134631743 in words is "seventy-seven billion, one hundred thirty-four million, six hundred thirty-one thousand, seven hundred forty-three".

Divisors: 1 13 17 23 73 221 299 391 949 1241 1679 5083 16133 21827 28543 207877 371059 2702401 3533909 4781171 15175021 45940817 62155223 81279907 197275273 257975357 349025483 1056638791 3353679641 4537331279 5933433211 77134631743