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13689967452 = 22371019159937
BaseRepresentation
bin11001011111111110…
…00101001101011100
31022100002002101212120
430233333011031130
5211014112424302
610142235302540
7663151542360
oct145777051534
938302071776
1013689967452
1158956a2197
1227a08aaa50
1313a230a775
1493c2512a0
15551ce19bc
hex32ffc535c

13689967452 has 48 divisors (see below), whose sum is σ = 36542634240. Its totient is φ = 3907556352.

The previous prime is 13689967411. The next prime is 13689967481. The reversal of 13689967452 is 25476998631.

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, 5628 + ... + 165564.

It is an arithmetic number, because the mean of its divisors is an integer number (761304880).

Almost surely, 213689967452 is an apocalyptic number.

13689967452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13689967452 is an abundant number, since it is smaller than the sum of its proper divisors (22852666788).

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

13689967452 is a wasteful number, since it uses less digits than its factorization.

13689967452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160970 (or 160968 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 13689967452 in words is "thirteen billion, six hundred eighty-nine million, nine hundred sixty-seven thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1019 2038 3057 4076 6114 7133 12228 14266 21399 28532 42798 85596 159937 319874 479811 639748 959622 1119559 1919244 2239118 3358677 4478236 6717354 13434708 162975803 325951606 488927409 651903212 977854818 1140830621 1955709636 2281661242 3422491863 4563322484 6844983726 13689967452