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149234738688 = 2933722971107
BaseRepresentation
bin1000101011111100010…
…1010110011000000000
3112021012102111012201000
42022333011112120000
54421113043114223
6152320230212000
713532114230500
oct2127705263000
9467172435630
10149234738688
1158321134a92
1224b0a4b4000
13110c3b70409
147319ca9a00
153d3681a543
hex22bf156600

149234738688 has 960 divisors, whose sum is σ = 544111603200. Its totient is φ = 40209039360.

The previous prime is 149234738683. The next prime is 149234738767. The reversal of 149234738688 is 886837432941.

149234738688 is a `hidden beast` number, since 1 + 4 + 9 + 2 + 3 + 473 + 86 + 88 = 666.

It is a super-2 number, since 2×1492347386882 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149234738683) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1394717131 + ... + 1394717237.

It is an arithmetic number, because the mean of its divisors is an integer number (566782920).

Almost surely, 2149234738688 is an apocalyptic number.

149234738688 is a gapful number since it is divisible by the number (18) 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 149234738688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272055801600).

149234738688 is an abundant number, since it is smaller than the sum of its proper divisors (394876864512).

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

149234738688 is a wasteful number, since it uses less digits than its factorization.

149234738688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 219 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 149234738688 in words is "one hundred forty-nine billion, two hundred thirty-four million, seven hundred thirty-eight thousand, six hundred eighty-eight".