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385400826507148 = 22197576698894989
BaseRepresentation
bin101011110100001010001111…
…1010111000010111110001100
31212112120221220020201000112221
41113220110133113002332030
5401003401343041212043
63443402410120305124
7144115201521510454
oct12750243727027614
91775527806630487
10385400826507148
11101889633203581
12372853190121a4
13137081acc706ba
146b256dca00d64
152e8525ec238ed
hex15e851f5c2f8c

385400826507148 has 24 divisors (see below), whose sum is σ = 710886736338800. Its totient is φ = 182317125993408.

The previous prime is 385400826507133. The next prime is 385400826507197. The reversal of 385400826507148 is 841705628004583.

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, 3349389963 + ... + 3349505026.

Almost surely, 2385400826507148 is an apocalyptic number.

385400826507148 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

385400826507148 is a deficient number, since it is larger than the sum of its proper divisors (325485909831652).

385400826507148 is a wasteful number, since it uses less digits than its factorization.

385400826507148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6698895769 (or 6698895767 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 385400826507148 in words is "three hundred eighty-five trillion, four hundred billion, eight hundred twenty-six million, five hundred seven thousand, one hundred forty-eight".

Divisors: 1 2 4 19 38 76 757 1514 3028 14383 28766 57532 6698894989 13397789978 26795579956 127279004791 254558009582 509116019164 5071063506673 10142127013346 20284254026692 96350206626787 192700413253574 385400826507148