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30022157641421 = 113107112105881
BaseRepresentation
bin1101101001110000101000…
…00010101010011011001101
310221022002102210012120100002
412310320110002222123031
512413340334324011141
6143503553330214045
76216013024261661
oct664702402523315
9127262383176302
1030022157641421
119625364349000
12344a5b3a24325
13139a100b3728a
1475b11a0448a1
15370e2a195e9b
hex1b4e140aa6cd

30022157641421 has 16 divisors (see below), whose sum is σ = 33025216488576. Its totient is φ = 27290309508000.

The previous prime is 30022157641397. The next prime is 30022157641433. The reversal of 30022157641421 is 12414675122003.

It is a de Polignac number, because none of the positive numbers 2k-30022157641421 is a prime.

It is a super-2 number, since 2×300221576414212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022157641451) 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, 13203401 + ... + 15309281.

It is an arithmetic number, because the mean of its divisors is an integer number (2064076030536).

Almost surely, 230022157641421 is an apocalyptic number.

It is an amenable number.

30022157641421 is a deficient number, since it is larger than the sum of its proper divisors (3003058847155).

30022157641421 is a wasteful number, since it uses less digits than its factorization.

30022157641421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116625 (or 2116603 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 30022157641421 in words is "thirty trillion, twenty-two billion, one hundred fifty-seven million, six hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 11 121 1331 10711 117821 1296031 2105881 14256341 23164691 254811601 2802927611 22556091391 248117005301 2729287058311 30022157641421