Search a number
-
+
139376869872 = 2436311460099
BaseRepresentation
bin1000000111001110000…
…0100100000111110000
3111022202102011120220120
42001303200210013300
54240420434313442
6144010122010240
713032613563252
oct2016340440760
9438672146816
10139376869872
1154122678269
1223019046980
13101b2758346
146a62983cd2
15395b1854ec
hex20738241f0

139376869872 has 40 divisors (see below), whose sum is σ = 360114748800. Its totient is φ = 46451494080.

The previous prime is 139376869789. The next prime is 139376869949. The reversal of 139376869872 is 278968673931.

It is a junction number, because it is equal to n+sod(n) for n = 139376869797 and 139376869806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72879 + ... + 532977.

It is an arithmetic number, because the mean of its divisors is an integer number (9002868720).

Almost surely, 2139376869872 is an apocalyptic number.

139376869872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139376869872 is an abundant number, since it is smaller than the sum of its proper divisors (220737878928).

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

139376869872 is a wasteful number, since it uses less digits than its factorization.

139376869872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466421 (or 466415 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 69.

The spelling of 139376869872 in words is "one hundred thirty-nine billion, three hundred seventy-six million, eight hundred sixty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 6311 12622 18933 25244 37866 50488 75732 100976 151464 302928 460099 920198 1380297 1840396 2760594 3680792 5521188 7361584 11042376 22084752 2903684789 5807369578 8711054367 11614739156 17422108734 23229478312 34844217468 46458956624 69688434936 139376869872