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107821267772 = 221731181282589
BaseRepresentation
bin110010001101010100…
…1011111101100111100
3101022022020201220121212
41210122221133230330
53231304221032042
6121310555543552
710534624440311
oct1443251375474
9338266656555
10107821267772
11417aa327369
1218a9115abb8
13a224003a3a
14530bac0d08
152c10bcc482
hex191aa5fb3c

107821267772 has 48 divisors (see below), whose sum is σ = 207371324160. Its totient is φ = 48831206400.

The previous prime is 107821267747. The next prime is 107821267783. The reversal of 107821267772 is 277762128701.

It is a happy number.

It is a super-2 number, since 2×1078212677722 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 107821267772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240254 + ... + 522842.

It is an arithmetic number, because the mean of its divisors is an integer number (4320235920).

Almost surely, 2107821267772 is an apocalyptic number.

It is an amenable number.

107821267772 is a deficient number, since it is larger than the sum of its proper divisors (99550056388).

107821267772 is a wasteful number, since it uses less digits than its factorization.

107821267772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282822 (or 282820 counting only the distinct ones).

The product of its (nonzero) digits is 921984, while the sum is 50.

The spelling of 107821267772 in words is "one hundred seven billion, eight hundred twenty-one million, two hundred sixty-seven thousand, seven hundred seventy-two".

Divisors: 1 2 4 17 31 34 62 68 124 181 362 527 724 1054 2108 3077 5611 6154 11222 12308 22444 95387 190774 282589 381548 565178 1130356 4804013 8760259 9608026 17520518 19216052 35041036 51148609 102297218 148924403 204594436 297848806 595697612 869526353 1585606879 1739052706 3171213758 3478105412 6342427516 26955316943 53910633886 107821267772