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145155355050 = 23529471021861
BaseRepresentation
bin1000011100101111101…
…1101111000110101010
3111212200010102001101010
42013023323233012222
54334234232330200
6150403343004350
713326041105646
oct2071373570652
9455603361333
10145155355050
1156618460752
12241702996b6
13108c3976044
1470501adc26
153b98614150
hex21cbeef1aa

145155355050 has 48 divisors (see below), whose sum is σ = 360365765472. Its totient is φ = 38667182400.

The previous prime is 145155354917. The next prime is 145155355061. The reversal of 145155355050 is 50553551541.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368881 + ... + 652980.

It is an arithmetic number, because the mean of its divisors is an integer number (7507620114).

Almost surely, 2145155355050 is an apocalyptic number.

145155355050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145155355050 is an abundant number, since it is smaller than the sum of its proper divisors (215210410422).

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

145155355050 is a wasteful number, since it uses less digits than its factorization.

145155355050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022823 (or 1022818 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 39.

The spelling of 145155355050 in words is "one hundred forty-five billion, one hundred fifty-five million, three hundred fifty-five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 947 1894 2841 4735 5682 9470 14205 23675 28410 47350 71025 142050 1021861 2043722 3065583 5109305 6131166 10218610 15327915 25546525 30655830 51093050 76639575 153279150 967702367 1935404734 2903107101 4838511835 5806214202 9677023670 14515535505 24192559175 29031071010 48385118350 72577677525 145155355050