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40638514150 = 25213611024931
BaseRepresentation
bin100101110110001111…
…101000001111100110
310212220011112102020201
4211312033220033212
51131211424423100
630400304221114
72636026446043
oct456617501746
9125804472221
1040638514150
1116264422193
127a6190a79a
133aa84445a0
141d772dc1ca
1510ccab136a
hex9763e83e6

40638514150 has 48 divisors (see below), whose sum is σ = 82736610768. Its totient is φ = 14758992000.

The previous prime is 40638514121. The next prime is 40638514151. The reversal of 40638514150 is 5141583604.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40638514151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472816 + ... + 552115.

It is an arithmetic number, because the mean of its divisors is an integer number (1723679391).

Almost surely, 240638514150 is an apocalyptic number.

40638514150 is an abundant number, since it is smaller than the sum of its proper divisors (42098096618).

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

40638514150 is a wasteful number, since it uses less digits than its factorization.

40638514150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025017 (or 1025012 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 40638514150 in words is "forty billion, six hundred thirty-eight million, five hundred fourteen thousand, one hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 61 65 122 130 305 325 610 650 793 1525 1586 3050 3965 7930 19825 39650 1024931 2049862 5124655 10249310 13324103 25623275 26648206 51246550 62520791 66620515 125041582 133241030 312603955 333102575 625207910 666205150 812770283 1563019775 1625540566 3126039550 4063851415 8127702830 20319257075 40638514150