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74157100029 = 3237612190821
BaseRepresentation
bin100010100010000011…
…0111000101111111101
321002102010200000001100
41011010012320233331
52203333204200104
654022312003313
75233452643545
oct1050406705775
9232363600040
1074157100029
11294a4827931
1212457090539
136cba78285c
143836b82325
151de0569139
hex11441b8bfd

74157100029 has 12 divisors (see below), whose sum is σ = 107144340732. Its totient is φ = 49424899200.

The previous prime is 74157100019. The next prime is 74157100067. The reversal of 74157100029 is 92000175147.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28360244025 + 45796856004 = 168405^2 + 214002^2 .

It is not a de Polignac number, because 74157100029 - 28 = 74157099773 is a prime.

It is a super-2 number, since 2×741571000292 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74157099966 and 74157100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74157100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1061562 + ... + 1129259.

It is an arithmetic number, because the mean of its divisors is an integer number (8928695061).

Almost surely, 274157100029 is an apocalyptic number.

It is an amenable number.

74157100029 is a deficient number, since it is larger than the sum of its proper divisors (32987240703).

74157100029 is a wasteful number, since it uses less digits than its factorization.

74157100029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194588 (or 2194585 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 74157100029 in words is "seventy-four billion, one hundred fifty-seven million, one hundred thousand, twenty-nine".

Divisors: 1 3 9 3761 11283 33849 2190821 6572463 19717389 8239677781 24719033343 74157100029