Search a number
-
+
149967373478 = 21323250781561
BaseRepresentation
bin1000101110101011000…
…0001000010010100110
3112100002111001220200212
42023222300020102212
54424113121422403
6152521041135422
713556221433126
oct2135260102246
9470074056625
10149967373478
115866774438a
122509392a572
13111ac897b20
1473892dac86
153d7acd74d8
hex22eac084a6

149967373478 has 16 divisors (see below), whose sum is σ = 252787814496. Its totient is φ = 66206331840.

The previous prime is 149967373453. The next prime is 149967373481. The reversal of 149967373478 is 874373769941.

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, 125390183 + ... + 125391378.

It is an arithmetic number, because the mean of its divisors is an integer number (15799238406).

Almost surely, 2149967373478 is an apocalyptic number.

149967373478 is a deficient number, since it is larger than the sum of its proper divisors (102820441018).

149967373478 is a wasteful number, since it uses less digits than its factorization.

149967373478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250781599.

The product of its digits is 192036096, while the sum is 68.

The spelling of 149967373478 in words is "one hundred forty-nine billion, nine hundred sixty-seven million, three hundred seventy-three thousand, four hundred seventy-eight".

Divisors: 1 2 13 23 26 46 299 598 250781561 501563122 3260160293 5767975903 6520320586 11535951806 74983686739 149967373478