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151450040144 = 2413728125193
BaseRepresentation
bin1000110100001100100…
…0000011011101010000
3112110220210222012000002
42031003020003131100
54440132202241034
6153324123545132
713641034046354
oct2150310033520
9473823865002
10151450040144
1159258665837
122542838b1a8
1311387acb690
14748a1ab464
153e1605ae7e
hex2343203750

151450040144 has 20 divisors (see below), whose sum is σ = 316006334196. Its totient is φ = 69900018432.

The previous prime is 151450040101. The next prime is 151450040149. The reversal of 151450040144 is 441040054151.

It can be written as a sum of positive squares in 2 ways, for example, as 61682689600 + 89767350544 = 248360^2 + 299612^2 .

It is a super-4 number, since 4×1514500401444 (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151450040149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364062389 + ... + 364062804.

Almost surely, 2151450040144 is an apocalyptic number.

It is an amenable number.

151450040144 is an abundant number, since it is smaller than the sum of its proper divisors (164556294052).

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

151450040144 is a wasteful number, since it uses less digits than its factorization.

151450040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728125214 (or 728125208 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 151450040144 its reverse (441040054151), we get a palindrome (592490094295).

The spelling of 151450040144 in words is "one hundred fifty-one billion, four hundred fifty million, forty thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 728125193 1456250386 2912500772 5825001544 9465627509 11650003088 18931255018 37862510036 75725020072 151450040144