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1220140030342 = 23515317354707
BaseRepresentation
bin10001110000010110000…
…000110101100110000110
311022122101122201122202011
4101300112000311212012
5124442321321432332
62332305151204434
7154103131064452
oct21602600654606
94278348648664
101220140030342
11430505268a72
1217857a51671a
138b09bcb071c
14430ab261662
1521b12db6e47
hex11c16035986

1220140030342 has 8 divisors (see below), whose sum is σ = 1830262215096. Its totient is φ = 610052625312.

The previous prime is 1220140030309. The next prime is 1220140030357. The reversal of 1220140030342 is 2430300410221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8607048 + ... + 8747659.

It is an arithmetic number, because the mean of its divisors is an integer number (228782776887).

Almost surely, 21220140030342 is an apocalyptic number.

1220140030342 is a deficient number, since it is larger than the sum of its proper divisors (610122184754).

1220140030342 is a wasteful number, since it uses less digits than its factorization.

1220140030342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17389862.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1220140030342 its reverse (2430300410221), we get a palindrome (3650440440563).

The spelling of 1220140030342 in words is "one trillion, two hundred twenty billion, one hundred forty million, thirty thousand, three hundred forty-two".

Divisors: 1 2 35153 70306 17354707 34709414 610070015171 1220140030342