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1021235054201 = 192910717321693
BaseRepresentation
bin11101101110001100101…
…10100100011001111001
310121121222121220221120222
432313012112210121321
5113212442133213301
62101052055225425
7133532104510025
oct16670626443171
93547877827528
101021235054201
1136411562346a
12145b09678275
13753c07bc27b
14375dc785385
151b870b4431b
hexedc65a4679

1021235054201 has 16 divisors (see below), whose sum is σ = 1122445771200. Its totient is φ = 925394073408.

The previous prime is 1021235054183. The next prime is 1021235054321. The reversal of 1021235054201 is 1024505321201.

It is not a de Polignac number, because 1021235054201 - 26 = 1021235054137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1021235044201) 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, 8601890 + ... + 8719803.

It is an arithmetic number, because the mean of its divisors is an integer number (70152860700).

Almost surely, 21021235054201 is an apocalyptic number.

It is an amenable number.

1021235054201 is a deficient number, since it is larger than the sum of its proper divisors (101210716999).

1021235054201 is a wasteful number, since it uses less digits than its factorization.

1021235054201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17321848.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 1021235054201 in words is "one trillion, twenty-one billion, two hundred thirty-five million, fifty-four thousand, two hundred one".

Divisors: 1 19 29 107 551 2033 3103 58957 17321693 329112167 502329097 1853421151 9544252843 35215001869 53749213379 1021235054201