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145301643193 = 73562375337
BaseRepresentation
bin1000011101010010100…
…1110001111110111001
3111220001022200020222111
42013110221301332321
54340034210040233
6150430050252321
713332465406000
oct2072451617671
9456038606874
10145301643193
1156692a98143
12241b12870a1
1310918075585
1470657adc37
153ba63adacd
hex21d4a71fb9

145301643193 has 16 divisors (see below), whose sum is σ = 169480364800. Its totient is φ = 124520463648.

The previous prime is 145301643187. The next prime is 145301643217. The reversal of 145301643193 is 391346103541.

It is not a de Polignac number, because 145301643193 - 217 = 145301512121 is a prime.

It is a super-2 number, since 2×1453016431932 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145301643103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1891021 + ... + 1966357.

It is an arithmetic number, because the mean of its divisors is an integer number (10592522800).

Almost surely, 2145301643193 is an apocalyptic number.

It is an amenable number.

145301643193 is a deficient number, since it is larger than the sum of its proper divisors (24178721607).

145301643193 is an frugal number, since it uses more digits than its factorization.

145301643193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80981 (or 80967 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 145301643193 in words is "one hundred forty-five billion, three hundred one million, six hundred forty-three thousand, one hundred ninety-three".

Divisors: 1 7 49 343 5623 39361 75337 275527 527359 1928689 3691513 25840591 423619951 2965339657 20757377599 145301643193