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161368423030 = 2597179929381
BaseRepresentation
bin1001011001001001001…
…1101011101001110110
3120102112001011020111101
42112102103223221312
510120440304014110
6202044233200314
714441600651503
oct2262223535166
9512461136441
10161368423030
11624882a4691
1227335b6009a
13122a89106a9
147b4b5664aa
1542e6b9613a
hex25924eba76

161368423030 has 32 divisors (see below), whose sum is σ = 295097372640. Its totient is φ = 63524981760.

The previous prime is 161368423019. The next prime is 161368423091. The reversal of 161368423030 is 30324863161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291061 + ... + 638320.

It is an arithmetic number, because the mean of its divisors is an integer number (9221792895).

Almost surely, 2161368423030 is an apocalyptic number.

161368423030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161368423030 is a deficient number, since it is larger than the sum of its proper divisors (133728949610).

161368423030 is a wasteful number, since it uses less digits than its factorization.

161368423030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929664.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 161368423030 in words is "one hundred sixty-one billion, three hundred sixty-eight million, four hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 97 179 194 358 485 895 970 1790 17363 34726 86815 173630 929381 1858762 4646905 9293810 90149957 166359199 180299914 332718398 450749785 831795995 901499570 1663591990 16136842303 32273684606 80684211515 161368423030