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83710532740 = 22523349523997
BaseRepresentation
bin100110111110110001…
…0010101110010000100
322000001221010200000111
41031331202111302010
52332414344021430
6102242303122404
76022265534212
oct1157542256204
9260057120014
1083710532740
113255746026a
12142825a3404
137b80aa5913
1440a189bcb2
15229e115c2a
hex137d895c84

83710532740 has 96 divisors (see below), whose sum is σ = 184497465600. Its totient is φ = 31843570176.

The previous prime is 83710532729. The next prime is 83710532743. The reversal of 83710532740 is 4723501738.

It is a happy number.

It is a super-2 number, since 2×837105327402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83710532693 and 83710532702.

It is not an unprimeable number, because it can be changed into a prime (83710532743) 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, 83961922 + ... + 83962918.

It is an arithmetic number, because the mean of its divisors is an integer number (1921848600).

Almost surely, 283710532740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83710532740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92248732800).

83710532740 is an abundant number, since it is smaller than the sum of its proper divisors (100786932860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83710532740 is a wasteful number, since it uses less digits than its factorization.

83710532740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 83710532740 in words is "eighty-three billion, seven hundred ten million, five hundred thirty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 349 460 523 698 997 1046 1396 1745 1994 2092 2615 3490 3988 4985 5230 6980 8027 9970 10460 12029 16054 19940 22931 24058 32108 40135 45862 48116 60145 80270 91724 114655 120290 160540 182527 229310 240580 347953 365054 458620 521431 695906 730108 912635 1042862 1391812 1739765 1825270 2085724 2607155 3479530 3650540 4198121 5214310 6959060 8002919 8396242 10428620 11992913 16005838 16792484 20990605 23985826 32011676 40014595 41981210 47971652 59964565 80029190 83962420 119929130 160058380 181979419 239858260 363958838 727917676 909897095 1819794190 3639588380 4185526637 8371053274 16742106548 20927633185 41855266370 83710532740