Search a number
-
+
154155202740000 = 25325471121995081
BaseRepresentation
bin100011000011010000001110…
…000110010111111100100000
3202012211002112010111120210100
4203003100032012113330200
5130201134323400140000
61303505531131302400
744320226426244120
oct4303201606277440
9665732463446710
10154155202740000
1145133944146600
12153583895aaa00
136802a08a78b77
142a0d21a0a4c80
1512c4de5b1ba00
hex8c340e197f20

154155202740000 has 2160 divisors, whose sum is σ = 691737340694400. Its totient is φ = 31865011200000.

The previous prime is 154155202739999. The next prime is 154155202740029. The reversal of 154155202740000 is 47202551451.

154155202740000 is a `hidden beast` number, since 1 + 5 + 41 + 5 + 5 + 202 + 7 + 400 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 30339537460 + ... + 30339542540.

It is an arithmetic number, because the mean of its divisors is an integer number (320248768840).

Almost surely, 2154155202740000 is an apocalyptic number.

154155202740000 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 154155202740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345868670347200).

154155202740000 is an abundant number, since it is smaller than the sum of its proper divisors (537582137954400).

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

154155202740000 is a wasteful number, since it uses less digits than its factorization.

154155202740000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345 (or 5308 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The spelling of 154155202740000 in words is "one hundred fifty-four trillion, one hundred fifty-five billion, two hundred two million, seven hundred forty thousand".