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139384161780 = 223517592316121
BaseRepresentation
bin1000000111001111110…
…0011000010111110100
3111022202220220001112020
42001303330120113310
54240424321134110
6144010542153140
713033032553413
oct2016374302764
9438686801466
10139384161780
11541267a8836
122301b5827b0
13101b410c396
146a6392147a
15395bb25d70
hex2073f185f4

139384161780 has 96 divisors (see below), whose sum is σ = 420237175680. Its totient is φ = 34389749760.

The previous prime is 139384161757. The next prime is 139384161793. The reversal of 139384161780 is 87161483931.

It is a happy number.

139384161780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1393841617802 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097881 + ... + 1218240.

It is an arithmetic number, because the mean of its divisors is an integer number (4377470580).

Almost surely, 2139384161780 is an apocalyptic number.

139384161780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139384161780 is an abundant number, since it is smaller than the sum of its proper divisors (280853013900).

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

139384161780 is a wasteful number, since it uses less digits than its factorization.

139384161780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316209 (or 2316207 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 139384161780 in words is "one hundred thirty-nine billion, three hundred eighty-four million, one hundred sixty-one thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 59 60 68 85 102 118 170 177 204 236 255 295 340 354 510 590 708 885 1003 1020 1180 1770 2006 3009 3540 4012 5015 6018 10030 12036 15045 20060 30090 60180 2316121 4632242 6948363 9264484 11580605 13896726 23161210 27793452 34741815 39374057 46322420 69483630 78748114 118122171 136651139 138967260 157496228 196870285 236244342 273302278 393740570 409953417 472488684 546604556 590610855 683255695 787481140 819906834 1181221710 1366511390 1639813668 2049767085 2323069363 2362443420 2733022780 4099534170 4646138726 6969208089 8199068340 9292277452 11615346815 13938416178 23230693630 27876832356 34846040445 46461387260 69692080890 139384161780