Search a number
-
+
145318398496 = 2517267129409
BaseRepresentation
bin1000011101010110100…
…1101100101000100000
3111220002111012111221021
42013111221230220200
54340103002222441
6150431445335224
713333061002165
oct2072551545040
9456074174837
10145318398496
11566a14a16a7
12241b6a07514
131091b690b5b
147067ad206c
153ba7abd3d1
hex21d5a6ca20

145318398496 has 24 divisors (see below), whose sum is σ = 302924750940. Its totient is φ = 68385128448.

The previous prime is 145318398461. The next prime is 145318398499. The reversal of 145318398496 is 694893813541.

It can be written as a sum of positive squares in 2 ways, for example, as 140580003600 + 4738394896 = 374940^2 + 68836^2 .

It is a super-2 number, since 2×1453183984962 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145318398499) 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, 133564161 + ... + 133565248.

Almost surely, 2145318398496 is an apocalyptic number.

145318398496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145318398496 is an abundant number, since it is smaller than the sum of its proper divisors (157606352444).

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

145318398496 is a wasteful number, since it uses less digits than its factorization.

145318398496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267129436 (or 267129428 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 61.

The spelling of 145318398496 in words is "one hundred forty-five billion, three hundred eighteen million, three hundred ninety-eight thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 267129409 534258818 1068517636 2137035272 4274070544 4541199953 8548141088 9082399906 18164799812 36329599624 72659199248 145318398496