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5142531213420 = 223585708853557
BaseRepresentation
bin100101011010101011010…
…1111110000100001101100
3200012121202211201222012120
41022311112233300201230
51133223400442312140
614534240215032540
71040351501041326
oct112652657604154
920177684658176
105142531213420
111702a31893817
126b07a736b750
132b3c28193a83
1413ac8522c616
158db807871d0
hex4ad56bf086c

5142531213420 has 24 divisors (see below), whose sum is σ = 14399087397744. Its totient is φ = 1371341656896.

The previous prime is 5142531213403. The next prime is 5142531213437. The reversal of 5142531213420 is 243121352415.

It is an interprime number because it is at equal distance from previous prime (5142531213403) and next prime (5142531213437).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42854426719 + ... + 42854426838.

It is an arithmetic number, because the mean of its divisors is an integer number (599961974906).

Almost surely, 25142531213420 is an apocalyptic number.

It is an amenable number.

5142531213420 is an abundant number, since it is smaller than the sum of its proper divisors (9256556184324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5142531213420 is a wasteful number, since it uses less digits than its factorization.

5142531213420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85708853569 (or 85708853567 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 5142531213420 its reverse (243121352415), we get a palindrome (5385652565835).

The spelling of 5142531213420 in words is "five trillion, one hundred forty-two billion, five hundred thirty-one million, two hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 85708853557 171417707114 257126560671 342835414228 428544267785 514253121342 857088535570 1028506242684 1285632803355 1714177071140 2571265606710 5142531213420