Search a number
-
+
154026935451648 = 21733721752249
BaseRepresentation
bin100011000001011000110000…
…110001100000000000000000
3202012100211102221222012201000
4203001120300301200000000
5130142034130433423043
61303330555230212000
744305036022263200
oct4301306061400000
9665324387865630
10154026935451648
1145094502652376
1215337551054000
1367c38a6b64bcc
142a06d2cb98400
1512c18d9e6e2d3
hex8c1630c60000

154026935451648 has 864 divisors, whose sum is σ = 562123720620000. Its totient is φ = 41418215129088.

The previous prime is 154026935451553. The next prime is 154026935451667. The reversal of 154026935451648 is 846154539620451.

154026935451648 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 2 + 69 + 3 + 54 + 516 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a super-2 number, since 2×1540269354516482 (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2947914228 + ... + 2947966476.

It is an arithmetic number, because the mean of its divisors is an integer number (650606158125).

Almost surely, 2154026935451648 is an apocalyptic number.

154026935451648 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 154026935451648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281061860310000).

154026935451648 is an abundant number, since it is smaller than the sum of its proper divisors (408096785168352).

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

154026935451648 is an frugal number, since it uses more digits than its factorization.

154026935451648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52323 (or 52278 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 63.

The spelling of 154026935451648 in words is "one hundred fifty-four trillion, twenty-six billion, nine hundred thirty-five million, four hundred fifty-one thousand, six hundred forty-eight".