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40507310000 = 24544050731
BaseRepresentation
bin100101101110011011…
…000111111110110000
310212120000122112222202
4211232123013332300
51130424332410000
630335300122332
72632544311463
oct455633077660
9125500575882
1040507310000
11161a7358603
127a259963a8
133a871c69b1
141d63b072da
1510c12e5dd5
hex96e6c7fb0

40507310000 has 50 divisors (see below), whose sum is σ = 98072272452. Its totient is φ = 16202920000.

The previous prime is 40507309979. The next prime is 40507310029. The reversal of 40507310000 is 1370504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×405073100002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2015366 + ... + 2035365.

Almost surely, 240507310000 is an apocalyptic number.

40507310000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40507310000 is an abundant number, since it is smaller than the sum of its proper divisors (57564962452).

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

40507310000 is an equidigital number, since it uses as much as digits as its factorization.

40507310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050759 (or 4050738 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

Adding to 40507310000 its reverse (1370504), we get a palindrome (40508680504).

The spelling of 40507310000 in words is "forty billion, five hundred seven million, three hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 4050731 8101462 16202924 20253655 32405848 40507310 64811696 81014620 101268275 162029240 202536550 324058480 405073100 506341375 810146200 1012682750 1620292400 2025365500 2531706875 4050731000 5063413750 8101462000 10126827500 20253655000 40507310000