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145849896192 = 28371113193983
BaseRepresentation
bin1000011111010101010…
…1001100110100000000
3111221110112022101201010
42013311111030310000
54342200033134232
6151000313240520
713352203443150
oct2076525146400
9457415271633
10145849896192
11569445117a0
1224324a03140
13109a4823830
1470b8526760
153bd95a90cc
hex21f554cd00

145849896192 has 576 divisors, whose sum is σ = 524417273856. Its totient is φ = 34752430080.

The previous prime is 145849896187. The next prime is 145849896217. The reversal of 145849896192 is 291698948541.

It is a super-2 number, since 2×1458498961922 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148371733 + ... + 148372715.

It is an arithmetic number, because the mean of its divisors is an integer number (910446656).

Almost surely, 2145849896192 is an apocalyptic number.

145849896192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145849896192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262208636928).

145849896192 is an abundant number, since it is smaller than the sum of its proper divisors (378567377664).

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

145849896192 is a wasteful number, since it uses less digits than its factorization.

145849896192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1212 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 66.

The spelling of 145849896192 in words is "one hundred forty-five billion, eight hundred forty-nine million, eight hundred ninety-six thousand, one hundred ninety-two".