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2111212001010 = 235716760199943
BaseRepresentation
bin11110101110001110000…
…010101001011011110010
321110211101222211212011110
4132232032002221123302
5234042230233013020
64253513304054150
7305346541626120
oct36561602513362
97424358755143
102111212001010
117443a6154222
122a1200764356
13124117b98028
147427ca08910
1539db66d18e0
hex1eb8e0a96f2

2111212001010 has 64 divisors (see below), whose sum is σ = 5825428180992. Its totient is φ = 479673137856.

The previous prime is 2111212000987. The next prime is 2111212001051. The reversal of 2111212001010 is 101002121112.

It is a super-2 number, since 2×21112120010102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30064902 + ... + 30135041.

It is an arithmetic number, because the mean of its divisors is an integer number (91022315328).

Almost surely, 22111212001010 is an apocalyptic number.

2111212001010 is an abundant number, since it is smaller than the sum of its proper divisors (3714216179982).

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

2111212001010 is a wasteful number, since it uses less digits than its factorization.

2111212001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60200127.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2111212001010 its reverse (101002121112), we get a palindrome (2212214122122).

The spelling of 2111212001010 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 167 210 334 501 835 1002 1169 1670 2338 2505 3507 5010 5845 7014 11690 17535 35070 60199943 120399886 180599829 300999715 361199658 421399601 601999430 842799202 902999145 1264198803 1805998290 2106998005 2528397606 4213996010 6320994015 10053390481 12641988030 20106780962 30160171443 50266952405 60320342886 70373733367 100533904810 140747466734 150800857215 211121200101 301601714430 351868666835 422242400202 703737333670 1055606000505 2111212001010