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149373046940 = 225131739318597
BaseRepresentation
bin1000101100011101010…
…0111101000010011100
3112021120001201222221212
42023013110331002130
54421404000000230
6152342050443552
713535413643525
oct2130724750234
9467501658855
10149373046940
1158392211027
1224b488935b8
1311116707710
1473303cd84c
153d43a3a895
hex22c753d09c

149373046940 has 96 divisors (see below), whose sum is σ = 357816844224. Its totient is φ = 51889582080.

The previous prime is 149373046913. The next prime is 149373046951. The reversal of 149373046940 is 49640373941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17370722 + ... + 17379318.

It is an arithmetic number, because the mean of its divisors is an integer number (3727258794).

Almost surely, 2149373046940 is an apocalyptic number.

149373046940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149373046940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178908422112).

149373046940 is an abundant number, since it is smaller than the sum of its proper divisors (208443797284).

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

149373046940 is a wasteful number, since it uses less digits than its factorization.

149373046940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567 (or 12565 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 149373046940 in words is "one hundred forty-nine billion, three hundred seventy-three million, forty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 3931 4420 7862 8597 15724 17194 19655 34388 39310 42985 51103 66827 78620 85970 102206 111761 133654 146149 171940 204412 223522 255515 267308 292298 334135 447044 511030 558805 584596 668270 730745 868751 1022060 1117610 1336540 1461490 1737502 1899937 2235220 2922980 3475004 3799874 4343755 7599748 8687510 9499685 17375020 18999370 33794807 37998740 67589614 135179228 168974035 337948070 439332491 574511719 675896140 878664982 1149023438 1757329964 2196662455 2298046876 2872558595 4393324910 5745117190 7468652347 8786649820 11490234380 14937304694 29874609388 37343261735 74686523470 149373046940